in-law inlaw • inlawry · · · Info · Definitions · Synonyms · Characters · · in-law · · Text Common · · Latin · · Scripts 6 · · Length 2 · · Syllables Definitions · · · (noun) a relative by marriage. Synonyms: relative-in-law. · · Noun Definition 1 Synonyms · · · relative-in-law · · Synonym 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E w latin small letter w U+0077