Translation guide
The English word "bitter" covers a range of meanings from taste to emotion and experience. In Japanese, different words and expressions are used depending on the nuance. This guide organizes them by meaning to help you choose the most natural option.
Describing a sharp, unpleasant taste like coffee, dark chocolate, or medicine.
The most common and general adjective for a bitter taste. Used for food, drink, and metaphorical bitterness.
This coffee is bitter.
I took bitter medicine.
Noun meaning 'bitterness' as a flavor quality. Often used in food descriptions.
This chocolate has a strong bitterness.
Technically means 'astringent' (like unripe persimmon or strong tea), but sometimes translated as 'bitter' in English. Use only for that specific puckering sensation.
Not a direct synonym for 'bitter'. Refers to astringency, not bitterness.
I like astringent tea.
Feeling angry, hurt, or resentful because of a bad experience or unfair treatment.
Used metaphorically for bitter emotions, especially in set phrases like 苦い経験 (bitter experience) or 苦い思い出 (bitter memory).
That was a bitter experience.
Expresses resentment or bitterness toward someone or a situation. Stronger emotional tone.
Means 'frustrating' or 'mortifying', often translated as 'bitter' when describing regret or disappointment. Common in sports or personal failure contexts.
Means 'painful' or 'hard', but can convey emotional bitterness in contexts like heartbreak or hardship.
Describing a dispute, rivalry, or relationship full of anger and resentment.
Means 'intense' or 'fierce', often used for bitter conflicts, arguments, or competition.
They had a bitter argument.
Means 'biting' or 'caustic', used for bitter criticism or remarks.
I was hurt by his bitter criticism.
Idiom meaning 'bitter strife' or 'internecine conflict', often within a family or organization.
Describing extremely cold weather that feels harsh or piercing.
Common phrase meaning 'severe cold'. Often used in weather reports.
It's bitterly cold today.
Idiomatic expression meaning 'bone-chilling cold', literally 'cold that cuts the body'.
Noun meaning 'intense cold' or 'bitter cold'. Often used in formal or written contexts.
Describing a pleasantly bitter flavor, often appreciated by adults.
Means 'slightly bitter' with a nuance of pleasantness. Commonly used for adult tastes like coffee, beer, or chocolate.
This beer is pleasantly bitter and delicious.
Loanword from English, used as a na-adjective. Often found in product names or trendy food descriptions.
I like bitter chocolate.
Referring to something unpleasant that must be accepted.
苦い (にがい) is for bitterness (like coffee), while 渋い (しぶい) is for astringency (like unripe fruit or strong tea). Using 渋い for 'bitter' can sound unnatural unless you mean that specific puckering sensation.
苦い is neutral or negative bitterness, while ほろ苦い adds a nuance of pleasantness or sophistication. Use ほろ苦い for enjoyable bitter flavors like dark chocolate or craft beer.
He gave me a bitter smile.
The phrase 苦笑い (にがわらい) is a common equivalent for 'bitter smile'.
The medicine left a bitter taste in my mouth.
He talked about his bitter memories.
He looked at me bitterly.
負けて悔しい。
I'm bitter about losing.
The breakup is bitter.
A bitter rivalry continues.
A bitter dispute broke out over the inheritance.
It was bitterly cold outside.
極寒の地での生活は厳しい。
Life in a bitterly cold region is harsh.