unmistakable

Adjective

Synonyms: apparent evident manifest patent plain

WordNet 3.0

Adjective (2)

clearly evident to the mind“his opposition to slavery was 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”Synonyms: apparent evident manifest patent plain

Webster's Dictionary (GCIDE)

Unmistakable \Un`mis*tak"a*ble\, a. Incapable of being mistaken or misunderstood; clear; plain; obvious; evident. -- Un`mis*tak"a*bly, adv. [1913 Webster] Unmiter