lightweight
gb/lˈaɪtwˈeɪt/ us/lˈaɪtwˈeɪt/
A2
English
~ 7900
Senses
0 senses
adjective
A2
property
1
not heavy; easy to carry
Not heavy and easy to carry or wear.
Usage pattern:
a lightweight [object]
Common mistake:
Learners sometimes use only "light" instead of "lightweight" before nouns (e.g., *"a light jacket" vs. "a lightweight jacket"). Both are possible, but "lightweight" more strongly emphasizes that the thing is made to be easy to carry or wear.
Synonyms
light (Very common general word; can describe weight, color, or intensity, while "lightweight" only describes weight.)
Antonyms
heavy (Describes objects that are difficult to lift or carry because of their weight.)
Collocations
lightweight jacket
|lightweight laptop
|lightweight fabric
|lightweight suitcase
|lightweight stroller
|lightweight materials
Themes
objects
|travel
|clothing
|core_vocabulary
|daily_life
Examples
- I bought a lightweight jacket that folds up into my backpack.
- This stroller is lightweight but still feels very sturdy.
- For hiking, choose a lightweight tent you can carry by yourself.
- The new laptop is lightweight enough to take on the train every day.
- They used lightweight materials to reduce the cost of shipping.
Learner examples
- She wears a lightweight coat in spring.
- This bag is very lightweight, so I can carry it easily.
- I need a lightweight chair for camping.
- The phone is small and lightweight.
- We bought a lightweight suitcase for our trip.
adjective
B2
property
2
not serious or important; shallow
Not very serious, deep, or important; simple and easy to think about.
Usage pattern:
a lightweight [thing/idea]
Common mistake:
Learners may confuse this with the physical sense and say things like *"a lightweight problem" only meaning it is easy to solve. In many contexts, calling something "lightweight" also suggests it is not serious or not very important, which can sound dismissive.
Synonyms
shallow (Often describes people or ideas that are not deep; can sound more negative and judgmental than "lightweight".)
Antonyms
serious (Emphasizes that something deals with important or difficult ideas or problems.)
Collocations
lightweight comedy
|lightweight novel
|lightweight entertainment
|lightweight argument
|lightweight report
|lightweight discussion
Themes
opinions
|media
|work
|core_vocabulary
Examples
- It’s a fun, lightweight movie that doesn’t try to say anything deep.
- The article was criticized as a lightweight piece that ignored the real issues.
- He gave a rather lightweight answer to a very complex question.
- We wanted something lightweight to read on vacation, nothing too intense.
- Her early work was dismissed as lightweight compared to her later novels.
Learner examples
- The book is a lightweight story for the beach.
- This is just lightweight entertainment for the weekend.
- His speech was lightweight and did not answer the hard questions.
- They wanted a lightweight show after a long day.
- Some people think pop music is lightweight.
adjective
technical
C1
property
3
simple and low-resource (tech)
Simple and small, using little memory or power, especially about software or systems.
Usage pattern:
a lightweight [system/tool/software/process]
Common mistake:
Learners sometimes think "lightweight" in tech means "unimportant" or "weak". In many technical contexts, calling something "lightweight" is positive, suggesting it is efficient and not overloaded with features.
Synonyms
minimal (Stresses having only the most necessary parts; slightly more formal and abstract than "lightweight".)
Antonyms
heavyweight (In technical contexts, describes software or systems that are large, complex, and use many resources.)
Collocations
lightweight framework
|lightweight library
|lightweight protocol
|lightweight client
|lightweight solution
|lightweight application
Themes
technology
|computing
|business
Examples
- We chose a lightweight framework so the app would run smoothly on older phones.
- The tool is a lightweight alternative to traditional project management software.
- This is a lightweight protocol designed for low-power devices.
- They needed a lightweight solution that the team could deploy quickly.
- The browser has a lightweight mode that disables heavy features.
Learner examples
- This is a lightweight app that opens very fast.
- We use a lightweight tool to track our tasks.
- The website has a lightweight design and loads quickly.
- He wrote a lightweight program for simple tests.
- They want a lightweight system that is easy to use.
Noun
informal
B2
entity
4
person easily affected by alcohol
A person who gets drunk easily after just a little alcohol.
Usage pattern:
[someone] is a lightweight
Common mistake:
Learners sometimes think "lightweight" is positive in this sense. It is usually neutral or slightly self-deprecating when said about yourself, but can sound teasing or rude if said about someone else.
Synonyms
light drinker (Usually means a person who does not drink much alcohol, not necessarily someone who gets drunk easily; overlap in casual talk.)
Antonyms
heavyweight (Informally used for someone who can drink a lot without getting drunk.)
Collocations
be a lightweight
|such a lightweight
|bit of a lightweight
|total lightweight
|real lightweight
|a complete lightweight
Themes
social
|daily life
|health
|daily_life
Examples
- I’m such a lightweight—one glass of wine and I’m done.
- He used to be a total lightweight, but now he can handle a few beers.
- She warned us she was a lightweight before we ordered cocktails.
- Because he’s a bit of a lightweight, he sticks to low-alcohol drinks.
- Don’t tease him for being a lightweight; it just means he should drink less.
Learner examples
- I am a lightweight, so I drink slowly.
- She is a lightweight and gets drunk after one beer.
- He knows he is a lightweight and does not drink much.
- My friend is a lightweight and feels dizzy quickly.
- If you are a lightweight, you should be careful with alcohol.
Noun
C1
entity
5
person with little power or ability
A person that people do not take very seriously because they do not have much power, skill, or ideas.
Usage pattern:
[someone] is (a) [type] lightweight
Common mistake:
Learners may use this to describe any weak person, but in English it is usually used in a specific area like politics, business, or ideas (e.g., "political lightweight", "intellectual lightweight"). It focuses on influence or seriousness, not physical strength.
Synonyms
nonentity (More formal and stronger; suggests someone is almost not noticed at all.)
Antonyms
heavyweight (Describes a very powerful or important person in a field, especially politics or business.)
Collocations
political lightweight
|intellectual lightweight
|a complete lightweight
|a bit of a lightweight
|party lightweight
|industry lightweight
Themes
people
|politics
|work
|business
Examples
- Critics dismissed him as a political lightweight with no real experience.
- In academic circles, she was seen as an intellectual lightweight.
- They don’t want a lightweight running the department during a crisis.
- The debate made him look like a lightweight next to his opponent.
- For such a key role, the company can’t afford to hire a lightweight.
Learner examples
- Many people think he is a political lightweight.
- She does not want to be seen as a lightweight at work.
- In that meeting, he sounded like a lightweight.
- They say the new leader is a bit of a lightweight.
- He was called an intellectual lightweight after his weak speech.
adjective
technical
B2
property
6
in the lightweight weight class
Describes a boxer or fighter whose weight is in the lightweight class.
Usage pattern:
a lightweight [boxer/fighter/division/bout]
Common mistake:
Learners sometimes confuse this with the general sense "not heavy". In sports, "lightweight" is a fixed name for a weight class and does not mean the person is weak.
Synonyms
lightweight-class (Less common; used only to clarify that something belongs to the lightweight category.)
Antonyms
heavyweight (Describes the highest traditional weight class in boxing and some other combat sports.)
Collocations
lightweight boxer
|lightweight division
|lightweight champion
|lightweight title
|lightweight bout
|lightweight contest
Themes
sports
Examples
- He’s a lightweight boxer with an impressive knockout record.
- The lightweight division is known for fast, technical fights.
- She became the youngest lightweight champion in the organization’s history.
- Two rising stars are meeting in a lightweight bout this weekend.
- He decided to stay at lightweight instead of moving up in weight.
Learner examples
- He is a lightweight boxer.
- The lightweight division has many good fighters.
- She won the lightweight title last year.
- They watched a lightweight fight on TV.
- He trains hard to stay in the lightweight class.
Noun
technical
B2
entity
7
the lightweight weight category
A weight group in boxing or similar sports, usually between featherweight and welterweight.
Usage pattern:
fight at lightweight
Common mistake:
Learners may add an article and say *"at a lightweight" when talking about weight class. The correct pattern is "at lightweight" without an article.
Synonyms
lightweight division (More explicit phrase, especially in sports reporting, but refers to the same weight class.)
Antonyms
heavyweight (Names the heaviest traditional weight class, often contrasted with lighter divisions like lightweight.)
Collocations
at lightweight
|move up to lightweight
|drop down to lightweight
|compete at lightweight
|fight in lightweight
|the lightweights
Themes
sports
Examples
- He normally fights at lightweight but is considering a move to welterweight.
- She dominated lightweight before challenging for the welterweight belt.
- The tournament will feature champions from featherweight, lightweight, and middleweight.
- After struggling to make lightweight, he decided to move up a division.
- Lightweight is often seen as one of the most competitive divisions.
Learner examples
- He wants to fight at lightweight next year.
- She moved from lightweight to welterweight.
- Lightweight is a popular weight class in boxing.
- There are many fast fighters at lightweight.
- He had trouble making lightweight for the last fight.
Grammar
Dictionary form
lightweight
IPA
GB/lˈaɪtwˈeɪt/
US/lˈaɪtwˈeɪt/
Syllables & stress
light - weight (2 syllables)
Stress on 1st syllable (light)
Word forms
Adjective
- Base: lightweight
Noun
- Base: lightweight
- Plural: lightweights
Word family
Forms
lightweights
noun
Related words
Negative and opposite forms
heavy
adjective A1
heavyweight
adjective
Advanced or less common
Expressions
a bit of a lightweight
1/ə bˈɪt əv ə lˈaɪtwˈeɪt/
fixed phrase
informal
somewhat easily affected by alcohol
Used to say, often in a soft or joking way, that someone gets drunk easily after a small amount of alcohol.
Examples
- I’m a bit of a lightweight, so I’ll just have one drink.
- She admits she’s a bit of a lightweight and never drinks on an empty stomach.
- If you’re a bit of a lightweight, pace yourself at the party.
intellectual lightweight
1/ˌɪntəlˈɛkt͡ʃuəl lˈaɪtwˈeɪt/
fixed phrase
person not strong intellectually
A person who is not very strong at thinking deeply or dealing with complex ideas, especially compared with others.
Examples
- In that group of experts, he felt like an intellectual lightweight.
- Some professors called the book’s author an intellectual lightweight.
- She refuses to be treated as an intellectual lightweight just because she works in television.
lightweight champion
1/lˈaɪtwˈeɪt t͡ʃˈæmpiən/
fixed phrase
technical
holder of lightweight title
The boxer or fighter who is the official winner or title holder in the lightweight weight class.
Examples
- He became the new lightweight champion after a close twelve-round fight.
- She is the reigning lightweight champion of the world.
- The former lightweight champion is planning a comeback.
lightweight jacket
1/lˈaɪtwˈeɪt d͡ʒˈækɪt/
fixed phrase
thin, easy-to-carry jacket
A thin, not heavy jacket that is good for mild weather or for packing in a bag.
Examples
- I always keep a lightweight jacket in my car for cool evenings.
- You’ll only need a lightweight jacket in the summer here.
- He folded his lightweight jacket and put it in his backpack.
lightweight software
1/lˈaɪtwˈeɪt sˈɔftwˌɛɹ/
fixed phrase
technical
software that is small and efficient
Computer software that is small, simple, and does not use much memory or processing power.
Examples
- We use lightweight software on older machines to keep them fast.
- The team built lightweight software that runs well on mobile devices.
- For quick edits, many users prefer lightweight software instead of a full studio package.
lightweight solution
1/lˈaɪtwˈeɪt səlˈuʃən/
fixed phrase
technical
simple, low-complexity solution
A simple and not heavy or complex way to solve a problem, often using fewer tools or less technology.
Examples
- They chose a lightweight solution instead of building a huge new system.
- For this small task, a lightweight solution is better than a full platform.
- We’re looking for a lightweight solution that non-technical staff can use.
political lightweight
1/pəlˈɪtɪkəl lˈaɪtwˈeɪt/
fixed phrase
politician with little influence
A politician who is not very important or powerful and is not taken very seriously.
Examples
- Many voters see him as a political lightweight with no clear plans.
- She started as a political lightweight but later became a major figure in the party.
- Critics dismissed the candidate as a political lightweight who was not ready for national office.