Antonyms for "weak"
Looking for the opposite of "weak"? Common antonyms include strong, robust, powerful, compelling.
Direct antonyms
strong, robust, powerful, compelling
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.