Antonyms of adj undreamed

1 sense of undreamed

Sense 1
undreamed, undreamed of, undreamt, undreamt of, unimagined -- (not imagined even in a dream)

INDIRECT (VIA incredible) -> credible, believable -- (capable of being believed; "completely credible testimony"; "credible information")

Similarity of adj undreamed

1 sense of undreamed

Sense 1
undreamed, undreamed of, undreamt, undreamt of, unimagined -- (not imagined even in a dream)
       => incredible (vs. credible), unbelievable -- (beyond belief or understanding; "at incredible speed"; "the book's plot is simply incredible")