Antonyms of adj incredible

1 sense of incredible

Sense 1
incredible (vs. credible), unbelievable -- (beyond belief or understanding; "at incredible speed"; "the book's plot is simply incredible")

credible (vs. incredible), believable -- (capable of being believed; "completely credible testimony"; "credible information")
        => likely -- (within the realm of credibility; "not a very likely excuse")
        => presumptive -- (affording reasonable grounds for belief or acceptance; "presumptive evidence"; "a strong presumptive case is made out")

Similarity of adj incredible

1 sense of incredible

Sense 1
incredible (vs. credible), unbelievable -- (beyond belief or understanding; "at incredible speed"; "the book's plot is simply incredible")
       => astounding, dumbfounding, dumfounding -- (bewildering or striking dumb with wonder)
       => fabulous -- (barely credible; "the fabulous endurance of a marathon runner")
       => improbable, marvelous, marvellous, tall (prenominal) -- (too improbable to admit of belief; "a tall story")
       => undreamed, undreamed of, undreamt, undreamt of, unimagined -- (not imagined even in a dream)
          Also See-> implausible#1; incredulous#1; unconvincing#1, flimsy#2; unthinkable#1