flinch

1 ENTRIES FOUND:
flinch /ˈflɪntʃ/ verb
flinches; flinched; flinching
flinch
/ˈflɪntʃ/
verb
flinches; flinched; flinching
Britannica Dictionary definition of FLINCH
[no object]
1 
: to move suddenly because you are afraid of being hit or hurt
2 
: to show fear : to hesitate from doing something unpleasant or dangerous
— often + at or from

— flinch

noun [singular]