transitive verb Date: 1601 to deprive of courage, strength, or steadiness, to cause to become nervous ; upset , unnervingly adverb Synonyms: see: ~
UNNERVE
Meaning of UNNERVE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012