good
gb/ɡˈʊd/ us/ɡˈʊd/
A1
英語
~ 1000
語義
0件の語義
adjective
A1
property
1
Of high quality or satisfactory
Something that is good is nice, right, or works well.
用法パターン：
[something] is good
よくある間違い：
Learners sometimes confuse 'good' with 'well'; 'good' is an adjective and cannot modify verbs directly.
類義語
excellent (Stronger praise than 'good', suggesting very high quality.)
対義語
bad (Indicates poor quality or unsatisfactory condition.)
コロケーション
good idea
|good job
|good time
|good quality
|good reason
テーマ
daily life
|evaluation
|emotions
|core_vocabulary
例文
- This restaurant serves really good food.
- You did a good job on your presentation.
- It's a good idea to save some money each month.
- The weather was good for our picnic.
- She has a good singing voice.
学習者向け例文
- The cake tastes good.
- That is a good book.
- He is a good teacher.
- This is a good place to sit.
- The movie was very good.
adjective
A2
property
2
Morally right or virtuous
If someone is good, they are kind and do the right thing.
用法パターン：
[someone] is good
よくある間違い：
Learners sometimes confuse 'good' meaning 'kind' with 'good' meaning 'skilled'. Context clarifies the intended sense.
類義語
virtuous (Formal; stresses moral excellence.)
対義語
evil (Represents extreme moral wrongness; opposite of virtuous.)
コロケーション
good person
|good behavior
|good heart
テーマ
morality
|character
|core_vocabulary
|relationships
例文
- She is a good person who helps others.
- He tries to be good and follow the rules.
- Good behavior is rewarded in school.
- They believe helping the poor is a good thing to do.
学習者向け例文
- My brother is a good man.
- She is a good friend.
- It is good to help people.
- He is a good boy at school.
adjective
A2
property
3
Skilled or proficient at something
If you are good at something, you can do it well.
用法パターン：
[someone] is good at [something]
よくある間違い：
Learners often say 'good in' instead of 'good at' when talking about abilities.
類義語
skilled (Focuses on technical ability rather than general praise.)
対義語
unskilled (Lacking ability or training in something.)
コロケーション
good at math
|good with children
|good at cooking
テーマ
abilities
|work
|core_vocabulary
|education
例文
- He's very good at playing the guitar.
- She's good with numbers and works as an accountant.
- I'm not very good at remembering names.
学習者向け例文
- I am good at tennis.
- She is good at dancing.
- He is good with animals.
adjective
A2
property
4
Suitable or appropriate for something
If something is good for something, it helps or works well for it.
用法パターン：
[something] is good for [purpose]
よくある間違い：
Learners sometimes confuse 'good for' with 'good at'; 'good for' refers to benefit, not skill.
類義語
beneficial (Focuses on producing positive effects, often formal.)
対義語
harmful (Causing damage or negative effects instead of benefits.)
コロケーション
good for health
|good for business
|good for the environment
テーマ
evaluation
|daily life
|core_vocabulary
例文
- Exercise is good for your health.
- This policy is good for the economy.
- Drinking water regularly is good for you.
学習者向け例文
- Milk is good for children.
- Walking is good for my body.
- This food is good for my dog.
名詞
B1
entity
5
Moral righteousness or benefit
'Good' as a noun means things that help people or are morally right.
類義語
virtue (Formal; emphasizes moral excellence rather than practical benefit.)
対義語
evil (Represents immorality and harm; opposite of moral good.)
コロケーション
do good
|for the greater good
テーマ
morality
|core_vocabulary
例文
- She believes in doing good in the community.
- They acted for the greater good of society.
- We must balance personal freedom with the common good.
学習者向け例文
- She does good for people.
- They work for the public good.
- Helping is for the greater good.
名詞
B1
entity
6
Items produced for sale or trade
'Goods' are things people make and sell.
類義語
merchandise (Refers specifically to products sold in business contexts.)
対義語
services (Non-physical products provided to customers.)
コロケーション
imported goods
|consumer goods
|goods and services
テーマ
business
|commerce
|finance
例文
- The store sells a variety of imported goods.
- Consumer goods are available in many markets worldwide.
- Goods were shipped across the country.
学習者向け例文
- The shop sells many goods.
- We buy goods from other countries.
- He sells goods in the market.
文法
辞書形
good
IPA
GB/ɡˈʊd/
US/ɡˈʊd/
音節・強勢
good （1音節）
Stress on 1st syllable (good)
活用形
Adjective
- Base: good
- Comparative: better
- Superlative: best
Noun
- Base: good
- Plural: good, goods
関連語
Forms
goods
noun
better
adjective
best
adjective
文法ポイント
- Irregular comparative: better Adjective
- Irregular superlative: best Adjective
表現
do someone good
1/dˈu sˈʌmwˌʌn ɡˈʊd/
idiom
Have a beneficial effect on someone’s health, mood, or situation
'Do someone good' means to help someone feel better or improve their life in some way.
例文
- A walk in the fresh air will do you good.
- It did him good to take a break from work.
make good on [something]
1/mˈeɪk ɡˈʊd ˈɔn sˈʌmθɪŋ/
idiom
Fulfill a promise or obligation made earlier
'Make good on something' means to do what you said you would do.
例文
- She made good on her promise to help him move.
- The company made good on its guarantee and replaced the product.
no good
1/nˈoʊ ɡˈʊd/
fixed phrase
informal
Not useful, effective, or acceptable
'No good' means not helpful, not working well, or not okay.
例文
- This pen is no good; it won't write.
- It’s no good trying to change his mind.
as good as new
1/ˈæz ɡˈʊd ˈæz njˈu/
idiom
Restored to perfect condition again
'As good as new' means like it was when it was new again.
例文
- After the repairs, my phone was as good as new.
- The car looks as good as new after cleaning.
as good as new
2/ˈæz ɡˈʊd ˈæz njˈu/
idiom
Restored to original condition despite age/use
In very good condition again, like when it was new.
例文
- After the repairs, my bike was as good as new.
- He cleaned the watch until it was as good as new.
for good
1/fɚ ɡˈʊd/
fixed phrase
Permanently, forever
'For good' means forever, without going back to the old way.
例文
- They moved to Canada for good last year.
- He quit smoking for good after his health scare.
for good
2/fɚ ɡˈʊd/
fixed phrase
permanently; forever
For always; not changing back later.
例文
- He moved to Canada for good last year.
- They ended their partnership for good after the argument.