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Relating to, inclined to, or marked by adultery.
an obsolete word for adulterate2
of, characterized by, or inclined to adultery
a•dul•ter•ous(əˈdʌl tər əs)
characterized by, involved in, or given to adultery; illicit.
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|Adj.||1.||adulterous - characterized by adultery; "an adulterous relationship"; "extramarital affairs"; "the extracurricular activities of a philandering husband"|
illicit - contrary to accepted morality (especially sexual morality) or convention; "an illicit association with his secretary"
|2.||adulterous - not faithful to a spouse or lover; "adulterous husbands and wives"; "a two-timing boyfriend"|
unfaithful - having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend; "her husband was unfaithful"