酸っぱい|すっぱいsuppai[3]nakadaka (mid-high)
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- i-adjectivesour; acid
Conjugation
| Plain form | 酸っぱい(すっぱい) |
|---|---|
| Polite (desu) | 酸っぱいです(すっぱいです) |
| Negative (kunai) | 酸っぱくない(すっぱくない) |
| polite (ku arimasen) | 酸っぱくありません(すっぱくありません) |
| Past (katta) | 酸っぱかった(すっぱかった) |
| Past negative (kunakatta) | 酸っぱくなかった(すっぱくなかった) |
| Te form (kute) | 酸っぱくて(すっぱくて) |
| Adverbial (ku) | 酸っぱく(すっぱく) |
| Conditional (kereba) | 酸っぱければ(すっぱければ) |
| kattara | 酸っぱかったら(すっぱかったら) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym酸いすいWrittenA more literary word for 'sour'; rarely used on its own today, it survives mainly in the idiom 「酸いも甘いも噛み分ける」. Everyday speech uses 「酸っぱい」.
- Antonym甘いあまいNeutralThe opposite of 「酸っぱい」: 'sweet' in taste. It also describes thinking or ideas as naive.
For sour tastes in everyday speech, 「酸っぱい」 is the default. 「酸い」 means the same but is rarely used alone today, turning up mainly in idioms like 「酸いも甘いも噛み分ける」. For 'sweet', the opposite taste, use 「甘い」, which can also describe ideas as naive.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


