cold feet[noun]Synonyms: fear, alarm, consternation, dismay, dread, fright, horror, panic, terror, trepidation
[TahlilGaran] English Synonym Dictionary ▲
cold feet n. phr.,
informal A loss of courage or nerve; a failure or loss of confidence in yourself.
Ralph was going to ask Mary to dance with him but he got cold feet and didn't. [TahlilGaran] English Idioms Dictionary ▲