ner·vous adj \ˈnər-vəs\
: of, relating to, or composed of neurons <the nervous layer of the eye>
a : of or relating to the nerves; also : originating in or affected by the nerves <nervous energy> b : easily excited or irritated
Seen & Heard
What made you want to look up nervous? Please tell us where you read or heard it (including the quote, if possible).