Antonyms for "improve"
Looking for the opposite of "improve"? Common antonyms include worsen, diminish.
Direct antonyms
worsen, diminish
Antonyms grouped
worsendiminish
Notes
Not every word has a true antonym. Where shades of meaning matter, the closest opposite is sometimes a "near-antonym" that fits the specific context you're writing in. Choose the one that matches your tone.