Act
Act noun - A display of emotion or behavior that is insincere or intended to deceive.
Usage example: was putting on an act when she said she didn't mind being left out of the outing
Unfaithfulness and act are semantically related. In some cases you can use "Unfaithfulness" instead a noun "Act".
Unfaithfulness
Unfaithfulness noun - Lack of faithfulness especially to one's husband or wife.
Act and unfaithfulness are semantically related. Sometimes you can use "Act" instead a noun "Unfaithfulness".
Nearby Words: unfaithful, unfaithfully
Both words in one sentence
- Sexism: Dantes seems to blame Mercedes for marrying Fernand and consider it an act of unfaithfulness.
Source: Fair for Its Day
Cite this Source
Unfaithfulness and Act. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/act/unfaithfulness
Act & Unfaithfulness. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/act/unfaithfulness>.
Unfaithfulness or Act. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/act/unfaithfulness.
Google Ngram Viewer shows how "act" and "unfaithfulness" have occurred on timeline