nerve ‧ less /ˈnɜːvləs $ ˈnɜːrv-/ BrE AmE adjective written
[ Word Family: adjective : ↑ nervous , ↑ nerveless , ↑ nerve-racking , ↑ nervy , ↑ unnerving ; noun : ↑ nerve , nerves, ↑ nervousness ; verb : ↑ nerve , ↑ unnerve ; adverb : ↑ nervously ]
used to describe someone’s fingers when they cannot hold something firmly, especially because they have had a shock:
The key fell from her suddenly nerveless fingers.