| Main Entry: | certain |
| Part of Speech: | adjective |
| Definition: | confident |
Synonyms: |
assertive, assured, believing, calm, cocksure, convinced, positive, questionless, sanguine, satisfied, secure, self-confident, sure, unconcerned, undisturbed, undoubtful, undoubting, unperturbed, untroubled |
Antonyms: |
doubtful, doubting, hesitant, uncertain, unconfident, unsure |