unfaithful
adjective
not faithful; false to duty, obligation, or promises; disloyal.
unfaithfulness
-
a word derived from
unfaithful.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But as a teenager, broken by her father's deceit, neglect and unfaithfulness, Mpume tries to express her feelings in a letter that she starts to read out loud to him.
From BBC ● Jun. 26, 2026
Financial infidelity is at least as damaging to a marriage and a couple’s livelihood as other kinds of secrecy and unfaithfulness.
From MarketWatch ● Mar. 2, 2026
This "unfaithfulness" has been understudied despite its importance for ensuring safety and efficiency in healthcare reporting.
From Science Daily ● Feb. 22, 2024
Pedro connects with an estranged cousin, and Nicole spills the details of Alejandro’s unfaithfulness to Coraima.
From Washington Post ● Oct. 31, 2021
"But, blessed Mercedes, you never imputed to me this act of deception and unfaithfulness?"
From Mercedes of Castile The Voyage to Cathay by J. Fenimore Cooper
