UNTRUE

adj. 1 unfaithful, faithless, disloyal, fickle, capricious, undependable, unreliable, dishonourable, untrustworthy, false, hypocritical, dishonest, insincere, two-faced, duplicitous, devious, deceitful, treacherous, perfidious Only when I saw her with Henry did I realize that Pauline had been untrue to me 2 wrong, false, inaccurate, incorrect, erroneous, misleading, mistaken, distorted What you said about Pauline was simply untrue 3 inexact, non-standard, substandard, imprecise, imperfect: How unfortunate for legend had William Tell's aim been untrue!