un-doubtful

Main Entry:
certain [sur-tn]
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
Main Entry: secure
Part of Speech: adjective
Definition: certain, definite
Synonyms: able, absolute, assured, at ease, balanced, carefree, cinch, conclusive, confident, determined, easy, established, firm, hopeful, in the bag, locked on, nailed down, on ice, reassured, reliable, resolute, sanguine, self-assured, self-confident, settled, shoo-in, solid, sound, stable, steadfast, steady, strong, sure, sure thing, tried and true, unanxious, undoubtful, well-founded
Antonyms: indefinite, insecure, uncertain, undecided, unsure
Main Entry: self-confident
Part of Speech: adjective
Definition: secure with oneself
Synonyms: assured, fearless, hotdog, hotshot, know-it-all, poised, sanguine, self-assured, self-reliant, sure of oneself, undoubtful
Antonyms: humble, insecure, meek, unself-confident, unsure
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