nervy

Adjective

• offensively bold
  • a brash newcomer disputed the age-old rules for admission to the club
    
  • a nervy thing to say
    

• showing or requiring courage and contempt of danger
  • the nervy feats of mountaineers
    

• being in a tense state

Related words

• Synonyms: 
  brash , cheeky , edgy , high-strung , highly strung , jittery , jumpy , overstrung , restive , uptight