doubtless
/ˈdaʊ̯tləs/ adjective, adverb
Forms doubtlesse doutless
- adjective Characterized by or experiencing no doubt at all, certain; undoubted; undoubting.
- adjective (obsolete) Free from fear or suspicion.
- adverb Without doubt; certainly; definitely; very probably, in all likelihood; doubtlessly.
Synonyms
indubitably undoubtably undoubtedly unquestionably without a doubt without doubt indisputably doubtlessly
Etymology
From Middle English douteles, dowteles, equivalent to doubt + -less.
Webster’s 1913
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “doubtless”, CC BY-SA 4.0. Details