Antonyms for "slow"
Looking for the opposite of "slow"? Common antonyms include fast, quick, swift, rapid.
Direct antonyms
fast, quick, swift, rapid
Antonyms grouped
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.