What are the opposite words for improbable?

Improbable refers to something that is unlikely to happen or exist. Antonyms for improbable include probable, likely, certain, feasible, and credible. Probable and likely suggest a high possibility of something happening or existing. Feasible means that something is practical and can be accomplished. Certain indicates that something is guaranteed to happen or exist. Credible means that something is believable and trustworthy. These antonyms for improbable serve as opposite words that depict certainty, possibility, and practicality in contrast to the unlikelihood of something that is improbable.

Antonym of the day

let the cat ouf bag
be quiet, conceal, hide.