よくない

yoku nai

adjective★Beginner— not good

informal

Not good; bad or undesirable.

この食べ物はよくない。

This food isn't good.

よくない結果になった。

It turned out to be a bad result.

💡

Often used to express mild disapproval or dissatisfaction.

Collocations

not good

bad thing

For more formal situations, consider using '良くない' instead of 'よくない'.

Always used as a negative adjective to describe something as not good or undesirable.

Combination of 'よく' (well) and 'ない' (not), forming a negative adjective phrase.

Commonly used in everyday conversation to express that something is not good or satisfactory. More polite alternatives include '良くない' or 'まずい'.

よく

well

root

ない

not

suffix

和英辞典