unmistakable -- (clearly evident to the mind; "his opposition to slavery was unmistakable")
apparent, evident, manifest, patent, plain, unmistakable -- (clearly revealed to the mind or the senses or judgment; "the effects of the drought are apparent to anyone who sees the parched fields"; "evident hostility"; "manifest disapproval"; "patent advantages"; "made his meaning plain"; "it is plain that he is no reactionary"; "in plain view")