bug
gb/bˈʌɡ/ us/bˈʌɡ/
A1
英語
~ 2100
語義
0件の語義
名詞
A1
entity
1
Small insect or similar creature
A very small animal with six legs, like an ant or beetle.
用法パターン：
a [type of] bug
よくある間違い：
Learners sometimes confuse 'bug' with only meaning 'insect', but in casual English it can also mean germs or computer errors.
類義語
insect (More general scientific term for small arthropods; 'bug' is less formal and broader.)
対義語
predator (Refers to a larger animal that hunts other creatures, opposite in scale and role to a small bug.)
コロケーション
bed bug
|ladybug
|catch a bug
|insect bug
|bug bite
テーマ
nature
|daily life
|animals
例文
- There’s a strange bug crawling on the wall.
- I think a bug bit me while I was sleeping.
- Some bugs are actually good for your garden.
- She screamed when a bug landed on her shoulder.
学習者向け例文
- I see a bug on the table.
- A bug is on my hand.
- The bug is very small.
- A bug is in the garden.
名詞
B1
entity
2
Error in software or hardware
A problem in a computer program that makes it not work right.
用法パターン：
a [serious/minor] bug
よくある間違い：
Learners may confuse 'bug' with 'virus'; a virus is malicious software, while a bug is an unintentional error.
類義語
glitch (A minor and often temporary fault; 'bug' can be more general.)
対義語
feature (A designed function of software, opposite of an unintended fault.)
コロケーション
software bug
|fix a bug
|debug code
|bug report
テーマ
technology
|computers
例文
- The developer fixed a critical bug in the app.
- This update should remove most of the bugs.
- They found a bug that caused the program to crash.
学習者向け例文
- The game has a bug.
- We need to fix the bug.
- The bug stops the program.
名詞
informal
A2
entity
3
Mild contagious illness
A short illness, like a cold or stomach sickness.
用法パターン：
a [stomach/flu] bug
よくある間違い：
Learners may think 'bug' always means insect; in health contexts it means illness.
類義語
virus (More technical and specific to cause; 'bug' is informal and general.)
対義語
health (The state of being well and free from illness, opposite of having a bug.)
コロケーション
catch a bug
|stomach bug
|flu bug
テーマ
health
|daily life
例文
- I think I caught a stomach bug.
- There’s a flu bug going around at work.
- He missed school because of a nasty bug.
学習者向け例文
- I have a bad bug.
- She caught a bug at school.
- The bug made me sick.
動詞
informal
B1
action
4
To annoy or bother repeatedly
To make someone feel annoyed again and again.
用法パターン：
to bug [someone] about [something]
よくある間違い：
Learners may confuse 'bug' (annoy) with 'bite' or 'sting' from insects due to shared noun sense.
類義語
bother ('Bother' is more neutral; 'bug' is more informal and casual.)
対義語
please (To make someone happy, opposite of annoying them.)
コロケーション
really bug someone
|stop bugging me
|bug you about
テーマ
emotions
|daily life
|relationships
例文
- It really bugs me when people are late.
- Stop bugging your sister about her homework.
- His constant questions started to bug her.
学習者向け例文
- Loud music bugs me.
- He bugs me every day.
- She bugs him about his phone.
名詞
B2
entity
5
Hidden microphone for spying
A small machine put in a place to hear people secretly.
用法パターン：
plant/hide a bug [somewhere]
類義語
wiretap ('Wiretap' refers to intercepting phone calls; 'bug' can be in any location.)
対義語
privacy device (A device that prevents eavesdropping, opposite of a listening device.)
コロケーション
plant a bug
|hidden bug
|detect a bug
テーマ
security
|technology
|law
例文
- The agents found a bug hidden under the table.
- They planted a bug in his office to gather evidence.
- The meeting room was swept for bugs before the talks began.
学習者向け例文
- They found a bug in the room.
- A spy put a bug under the desk.
- The police put a bug in the car.
文法
辞書形
bug
IPA
GB/bˈʌɡ/
US/bˈʌɡ/
音節・強勢
bug （1音節）
Stress on 1st syllable (bug)
活用形
Noun
- Base: bug
- Plural: bugs
Verb
- Base: bug
- 3rd Person Singular: bugs
- Present Participle: bugging
- Past: bugged
関連語
Forms
bugs
noun
bugging
verb
bugged
verb
Core family
buggy
adjective
Related words
Advanced or less common
debugging
noun
debugger
noun C1
文法ポイント
- Irregular present participle: bugging Verb
- Irregular past: bugged Verb
表現
catch the bug
1/kˈæt͡ʃ ðə bˈʌɡ/
idiom
informal
Become very interested in something suddenly
To start liking something very much and want to keep doing it.
例文
- After her first dance class, she really caught the bug.
- He caught the travel bug after visiting Italy.
debug
1/dibˈʌɡ/
fixed phrase
technical
Find and remove errors from code
To find and fix problems in computer programs.
例文
- We need to debug this code before release.
- She spent hours debugging the app yesterday.
put a bug in someone's ear
1/pˈʊt ə bˈʌɡ ˈɪn sˈʌmwˌʌnz ˈɪɹ/
idiom
informal
Suggest an idea indirectly to someone
To tell someone something in a way that makes them think about it later.
例文
- She put a bug in his ear about applying for the job.
- I’ll put a bug in her ear and see what she thinks.