Date: 1598 transitive verb to loosen or move from a settled state or condition ; make unstable ; disorder , to perturb or agitate mentally or emotionally ; discompose , intransitive verb to become ~d
UNSETTLE
Meaning of UNSETTLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012