Dictionary

undoubtlessly en · ADV

Etymology

From un- + doubtlessly.

Meanings

1. (nonstandard) Synonym of without a doubt.
   • “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!” 1920, American Magazine, volume 90, page 70:

Forms

Synonyms

without a doubt