unmistakable (adjective) unmistakable: certain, definite
Sinonime: apparent,
clear,
conspicuous,
decided,
distinct,
evident,
explicit, for certain, glaring, indisputable,
manifest, no ifs ands or buts,
obvious, open and shut,
palpable,
patent,
plain,
positive,
pronounced, self-explanatory,
straightforward,
sure,
transparent,
unambiguous,
unequivocal, univocal
Antonime: doubtul,
indefinite,
indistinct, mistakable,
uncertain,
unsure