Antonyms for unmistakable

certain, definite:

dubious, unknown, hidden, disputable, secret, indistinct, equivocal, ambiguous, uncertain, obscure, Mistakable, vague, doubtful, indefinite, doubtul, unsure, unclear, questionable.

noun:

hazy, indecipherable, misty, cloudy, murky, dim, inappreciable, unfathomable, incomprehensible, cryptic, imprecise, enigmatic, turbid, impalpable, unknowable, gray, clouded, foggy, indistinct, noncommital, dark, imperceptible, opaque, nebulous, indeterminate, undecipherable, slippery, unreadable, sketchy, unclouded, unintelligible, unapparent, unobvious, insensible, gauzy, subtle, mysterious, nonobvious, dubious, indiscernible, illegible.

Paraphrases for Unmistakable:

• Adjective :
  apparent, appreciable, axiomatic, blatant, character-defining, characteristic, clear, clear-cut, compelling, conspicuous, crystal-clear, definite, demonstrable, demonstrated, discernable, discernible, distinct, distinctive, evident, explicit, firm, flagrant, glaring, incontestable, incontrovertible, indisputable, inescapable, insurmountable, irrefutable, lucid, manifest, marked, notable, noticeable, observable, obvious, overt, overwhelming, palpable, perceptible, plain, prominent, pronounced, recognizable, remarkable, resounding, salient, self-evident, stark, straightforward, strident, striking, tangible, typical, unambiguous, unarguable, unassailable, unavoidable, unchallengeable, unchallenged, uncontested, uncontroversial, undeniable, undisputable, undisputed, undoubted, unequivocal, unmistakeable, unqualified, unquestionable, unquestioned, unrivaled, visible, vivid.