undeniably (adverb) clearly: without any doubt
Sinonime: acutely,
apparently, audibly, beyond doubt,
certainly, conspicuously, decidedly,
definitely, discernibly, distinctly,
evidently, incontestably, incontrovertibly,
indubitably, lucidly, manifestly, markedly, noticeably,
obviously, openly, overtly, patently, penetratingly, perceptibly, plainly,
positively,
precisely, prominently, purely, recognizably,
seemingly, sharply, sonorously,
surely, translucently, transparently, undeniably,
undoubtedly, unmistakably
Antonime: indefinitely, indistinctly, mysteriously, vaguely