untruthful
unt·ruth·ful
adjective
Origin
From un- + truthful. Compare Middle English untreuthfull, untrowþeful, wntreuthtfull (“unbelieving, infidel”).
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.