eu·than·ize (BrEalsoeu·than·ise) BrE/ˈjuːθənaɪz/NAmE/ˈjuːθənaɪz/verbpresent simple - I / you / we / theyeuthanizeBrE/ˈjuːθənaɪz/NAmE/ˈjuːθənaɪz/present simple - he / she / iteuthanizesBrE/ˈjuːθənaɪzɪz/NAmE/ˈjuːθənaɪzɪz/past simpleeuthanizedBrE/ˈjuːθənaɪzd/NAmE/ˈjuːθənaɪzd/past participleeuthanizedBrE/ˈjuːθənaɪzd/NAmE/ˈjuːθənaɪzd/ -ing formeuthanizingBrE/ˈjuːθənaɪzɪŋ/NAmE/ˈjuːθənaɪzɪŋ/~sb/sth(especiallyNAmE) tokillasickorinjuredanimalorpersonbygivingthemdrugssothattheydiewithoutpain使(人或动物)安乐死SYNput down, put to sleep