wimpish

/ˈwɪmpɪʃ/
adjective
  1. Weak, timid, or lacking courage; easily frightened or unwilling to take risks.
    • Don't be so wimpish — just ask for a raise.
    • He felt wimpish for not standing up to the bully.
    • The movie's hero was anything but wimpish; he faced danger bravely.
Antonyms