nervy

adjectives

being in a tense state

edgy, high-strung, highly strung, jittery, jumpy, nervy, overstrung, restive, uptight

showing or requiring courage and contempt of danger

"the nervy feats of mountaineers"

nervy

is derived from

is similar to

fearless and daring

"bold settlers on some foreign shore"; "a bold speech"; "a bold adventure"

offensively bold

"a brash newcomer disputed the age-old rules for admission to the club"; "a nervy thing to say"

brash, cheeky, nervy

is derived from