The AI-powered English dictionary
plural in-laws
(often in the plural) A relative by marriage (or through affinity). quotations examples
Louie: 'Neither boiling nor baking can diminish this creature's overpowering musky scent. Only suitable for serving to unpleasant in-laws.'
2004, Nintendo EAD, Pikmin 2, Nintendo, level/area: Piklopedia
Sometimes specifically a parent-in-law of one's child, for which the dedicated terms co-mother-in-law, co-father-in-law are rare. examples