STICK-TO-IT-IVENESS Meaning of STICK-TO-IT-IVENESS in English stick-to-it-iveness BrE AmE ˌstɪk ˈtuː ɪt ɪv nəs -nɪs AmE \ -ˈtuː ət̬- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012