悪い
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Base i-adjective form ending in 『い』. Describes moral badness, sinfulness, or poor quality.
Theme
Two friends, Ken and User, are discussing a recent movie they watched together. Ken is curious about User's opinion on the film's plot.
悪い
わるい
bad / sinful
Core Language Building BlocksCore Adjectives
Memory Hook
Imagine a villain doing something bad and saying 'Ah, warui!' (sounds like 'ah, warui' for 'ah, bad'). 'Warui' → bad or sinful.
Cultural Note
In Japanese culture, 『悪い』 (warui) is often used in apologies like 『ごめんなさい』 (gomen nasai, 'I'm sorry') or 『悪い』 (warui, 'my bad') to express regret for wrongdoing, reflecting the importance of harmony and responsibility.
Forms
Base: 悪いBase i-adjective form ending in 『い』. Describes moral badness, sinfulness, or poor quality.
Negative: 悪くないDrop 『い』 → add 『くない』 (kunai, negative) → 『悪くない』 (warukunai).
Past: 悪かったDrop 『い』 → add 『かった』 (katta, past) → 『悪かった』 (warukatta).
Adverbial: 悪くDrop 『い』 → add 『く』 (ku, adverbial) → 『悪く』 (waruku).
Comparative: より悪いComparative formed with modifier 『より』 (yori, 'more than') + base adjective.
Superlative: 一番悪いSuperlative formed with 『一番』 (ichiban, 'number one / Most') + adjective.