WordReference Random House Unabridged Dictionary of American English © 2025
un•truth•ful
(un tro̅o̅th′fəl),USA pronunciation adj.
un•truth′ful•ly, adv.
un•truth′ful•ness, n.
- not truthful;
wanting in veracity;
diverging from or contrary to the truth;
not corresponding with fact or reality.
- 1325–75; Middle English; see un-1, truthful
un•truth′ful•ness, n.
'untruthfully' also found in these entries (note: many are not synonyms or translations):