Antonyms for truthfulness

accuracy:

falsehood, erroneousness, mistake, inaccuracy.

attribute:

untruthfulness.

candor:

deception, artifice, guile.

constancy:

fluctuation, changeableness, irregularity, change, instability, unsteadiness, inconstancy.

faith:

doubt, distrust, suspicion, disbelief, misgiving, skepticism.

honor:

disgrace, ill repute, blemish, dishonor, stigma.

loyalty:

undependability, disloyalty, unfaithfulness.

probity:

deceit, unfairness.

sincerity:

insincerity, untrustworthiness.

truth:

invention, untruth.

truthfulness:

dishonesty, untruthfulness, deceitfulness, lying, mendacity.

noun:

fabrication, slyness, dupery, dissembling, indirection, beguilement, error, lie, equivocation, inaccuracy, unscrupulousness, dissimulation, hypocrisy, trickery, two-facedness, underhandedness, cozenage, wiliness, duplicity, cunning, treacherousness, imposture, lying, oiliness, perfidy, falsity, furtiveness, mendaciousness, delusion, smoothness, exaggeration, craftiness, slipperiness, prevarication, slickness, falseness, crookedness, fiction, fakery, insidiousness.

Paraphrases for Truthfulness:

• Noun, singular or mass :
  accuracy, allegiance, authentication, authenticity, bluntness, candor, candour, correctness, credibility, devotion, directness, earnest, earnestness, fairness, faithful, faithfulness, fidelity, forthrightness, frankness, genuineness, goodwill, honesty, integrity, litmus, lowdown, loyalty, openness, reality, reliability, seriousness, sincerity, trustworthiness, truth, validity, veracity.