Synonyms of definitely in English:

definitely


See definition of definitely

adverb

1‘it was definitely a case of exploiting child labour’

SYNONYMS
certainly, surely, for sure, unquestionably, beyond doubt, without doubt, beyond question, without question, beyond any doubt, undoubtedly, indubitably, assuredly, positively, absolutely
undeniably, irrefutably, incontrovertibly, incontestably, unmistakably
plainly, clearly, obviously, patently, palpably, transparently, categorically, decidedly, unequivocally
easily, far and away, by a mile, without fail, there are no two ways about it, there's no denying it, needless to say
informal as sure as eggs is eggs
ANTONYMS

possibly