Word familynoun truth ≠ untruth truthfulness untruthfulnessadjective true ≠ untrue truthful ≠ untruthfuladverb truly truthfully ≠ untruthfully true
un·truth·ful /ʌnˈtruːθfəl/adjectiveadj
DISHONESTdishonest or not true 不诚实的;不真实的
—untruthfullyadverbadv
Examples from the Corpus
untruthful• Most of what they do and others do to them is illegal, deceitful and untruthful.• Much better to be untruthful and leave Laura thinking that but for a migraine, they might have spent the night together.• In this, of course, the untruthful organization is totally mistaken.