noun
plural nerves
[count] :one of the many thin parts that control movement and feeling by carrying messages between the brain and other parts of the body
[noncount] :courage that allows you to do something that is dangerous, difficult, or frightening
[singular, noncount] :the rude attitude of someone who says or does things that make other people angry or upset
nerves [plural] :feelings of being worried or nervous
a bag/bundle of nerves
informal :an extremely nervous person
get on someone's nerves
to become extremely annoying to someone
hit/strike/touch a nerve
to make someone feel angry, upset, embarrassed, etc.
nerves of steel
an impressive ability to remain calm in dangerous or difficult situations
war of nerves
a situation in which people do or say things to make other people feel afraid or nervous about what will happen