brashly presumptuous or insolent; pushy

a nervy thing to say; a nervy trick to pull.

having or showing courage; brave or bold

the nervy feats of the mountaineers.

strong; sinewy; vigorous

a hard, nervy physique.

Chiefly British . straining one's patience or forbearance; trying.

nervous; excitable; on edge.

noun

assumption , audaciousness , audacity , boldness , brashness , brazenness , cheek , cheekiness , chutzpah , discourtesy , disrespect , effrontery , face , familiarity , forwardness , gall , impertinence , impudency , incivility , insolence , nerve , overconfidence , pertness , presumptuousness , pushiness , rudeness , sassiness , sauciness