Daresaying is a word that means to express an opinion or to make a speculation. Antonyms for this word include being certain or resolute in an assertion, expressing a fact, or stating something definitively. Other antonyms include being hesitant, apprehensive or unsure, avoiding speculation or guesswork, and refraining from expressing an opinion. In order to avoid coming across as arrogant or presumptuous, it is important to use words that communicate a sense of caution or uncertainty when expressing an opinion. Some examples of antonyms for daresaying include stating unequivocally, declaring with certainty, or simply presenting the facts without speculation or conjecture.