All definitely antonyms
def·i·nite·ly
D d adverb definitely
- perhaps — maybe; possibly: Perhaps the package will arrive today.
adv definitely
- doubtfully — of uncertain outcome or result.
- dubiously — doubtful; marked by or occasioning doubt: a dubious reply.
- indefinitely — not definite; without fixed or specified limit; unlimited: an indefinite number.
- questionable — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
- uncertain — not definitely ascertainable or fixed, as in time of occurrence, number, dimensions, or quality.
- questionably — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.