Synonyms of utterly in English:

utterly


See US English definition of utterly

See UK English definition of utterly

adverb

1‘he looked utterly ridiculous’

SYNONYMS
completely, totally, absolutely, entirely, wholly, fully, thoroughly, quite, altogether, one hundred per cent, downright, outright, unqualifiedly, in all respects, unconditionally, perfectly, implicitly, unrestrictedly, really, veritably, categorically, consummately, undisputedly, unmitigatedly, wholeheartedly, radically, stark, just, to the hilt, to the core, all the way, to the maximum extent, extremely, infinitely, unlimitedly, limitlessly, ultimately
informal clean, plumb, dead, bang, totes
informal, humorous bigly
ANTONYMS

partly, partially, somewhat