adv. 25B6; adverb COMPLETELY, totally, absolutely, entirely, wholly, fully, thoroughly, quite, altogether, one hundred per cent, downright, outright, in all respects, unconditionally, perfectly, really, to the hilt, to the core; informal dead.
UTTERLY
Meaning of UTTERLY in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012