Definition of lose one's nerve
- He seems to be losing his nerve.
: to bring to destruction
: to miss from one's possession or from a customary or supposed place
: sinew, tendon
: any of the filamentous bands of nervous tissue that connect parts of the nervous system with the other organs, conduct nerve impulses, and are made up of axons and dendrites together with protective and supportive structures
: power of endurance or control : fortitude, strength
: to give strength or courage to : supply with physical or moral force
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