TRANQUILITY Meaning of TRANQUILITY in English tranquility, tranquillity BrE AmE træŋ ˈkwɪl ət i -ɪt i AmE \ træn ˈkwɪl ət̬ i ⇨træŋ- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012