Undoubtlessly
adv
adv ·Rare ·Advanced level
Definitions
Adverb
- 1 Synonym of without a doubt. nonstandard
"“Now, little girl,” he says, with a fatherly smile (he'll soon be twenty-six), “tell me just what your difficulty is, and undoubtlessly we'll fix it up in a jiffy!”"
Synonyms
All synonymsExample
More examples"“Now, little girl,” he says, with a fatherly smile (he'll soon be twenty-six), “tell me just what your difficulty is, and undoubtlessly we'll fix it up in a jiffy!”"
Etymology
From un- + doubtlessly.
More for "undoubtlessly"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.