noun.
Want of truth; untruthfulness: as, the falseness of a report.
noun.
Want of integrity and veracity either in principle or in act; duplicity; deceit; double-dealing; unfaithfulness; treachery; perfidy; traitorousness: as, the falseness of a man's heart, or his falseness to his word.
noun.
Synonyms Falsity, etc. See falsehood.