audibly

loudly

clearly distinctly intelligibly lustily noisily out loud plainly vociferously

inaudibly silently

apparently certainly definitely distinctly evidently obviously openly plainly positively precisely seemingly surely undoubtedly

acutely beyond doubt conspicuously decidedly discernibly incontestably incontrovertibly indubitably lucidly manifestly markedly noticeably overtly patently penetratingly perceptibly prominently purely recognizably sharply sonorously translucently transparently undeniably unmistakably

doubtfully dubiously equivocally questionably uncertain

indefinitely indistinctly mysteriously vaguely