0 father-in-law [noun]the father of your husband or wife US /ˈfɑː.ðɚ.ɪn.lɑː/ UK /ˈfɑː.ðər.ɪn.lɔː/ Oxford Essential Dictionary father-in-law noun (plural fathers-in-law) the father of your husband or wife Longman Dictionary of Contemporary English father-in-law ˈfather-in-ˌlaw BrE AmE noun (plural fathers-in-law) [countable] the father of your husband or wife Oxford Advanced Learner's Dictionary father-in-law ˈfather-in-law [father-in-law fathers-in-law] noun (pl. fathers-in-law) the father of your husband or wife Cambridge Advanced Learner's Dictionary Cambridge Advanced Learner's Dictionary - 4th Edition ˈ father-in-law / ˈfɑː.ðə r .ɪn.lɔː / / -ðɚ.ɪn.lɑː / noun [ C ] ( plural ^fathers-in-law ) B2 the father of your husband or wife Collins Advanced Learner’s English Dictionary father-in-law fathers-in-law N-COUNT: usu poss N Someone's father-in-law is the father of their husband or wife. Merriam-Webster's Advanced Learner's Dictionary father-in-law fa·ther–in–law /ˈfɑːðɚənˌlɑː/ noun, pl fa·thers–in–law /ˈfɑːðɚzənˌlɑː/ [count] : the father of your husband or wife American EnglishBritish Englishnon-blood relationsB2 (Upper-intermediate)nounShortened URL: http://lngt.co/father-in-law1en