adj. 25B6; adjective
the answers may be untruthful : FALSE, untrue, fabricated, made up, invented, trumped up; erroneous, wrong, incorrect, inaccurate, fallacious, fictitious.
an untruthful person : LYING, mendacious, dishonest, deceitful, duplicitous, false, double-dealing, two-faced; informal crooked, bent; poetic/literary perfidious.
honest.