TRANQUILIZE Meaning of TRANQUILIZE in English tranquiliz|e, tranquillis|e, tranquilliz|e BrE AmE ˈtræŋk wə laɪz -wɪ- ▷ tranquiliz|ed d▷ tranquiliz|er/s ə/z AmE \ - ə r/z▷ tranquiliz|es ɪz əz ▷ tranquiliz|ing ɪŋ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012