| Main Entry: | certainly |
| Part of Speech: | adverb |
| Definition: | without doubt |
Synonyms: |
absolutely, assuredly, cert, exactly, for a fact, of course, positively, posolutely, right on, surely, unquestionably, without fail |
Antonyms: |
doubtfully, dubiously, equivocally, questionably |
| Main Entry: | sure thing |
| Part of Speech: | noun |
| Definition: | certain thing |
Synonyms: |
all sewn up, belief, cert, certainty, cinch, dead certainty, definiteness, destiny, foregone conclusion, lock*, open and shut case, open-and-shut case, positiveness, rain or shine, safe bet, shoo-in, shoo-in, small risk, sure bet, surefire, surety |