un·fit 
/ˌʌnˈfɪt/ adjective
/ˌʌnˈfɪt/ adjective 1 : not proper, suitable, or acceptable — often + for ▪ The movie is unfit for children. [=children should not watch the movie] ▪ The land is unfit for human habitation. — often followed by to + verb ▪ The food was unfit to eat. 2 : not having the necessary qualities, skills, mental health, etc., to do something
▪ an unfit parent [=a person who cannot care for a child properly] — often + for ▪ He's clearly unfit for the position. ▪ He's unfit for army service. ▪ The defendant was declared unfit for trial. — sometimes followed by to + verb ▪ The defendant is unfit to stand trial. 3 : not physically healthy : not in good physical condition
▪ Her sisters are overweight and unfit. [=out of shape]
▪ an unfit parent [=a person who cannot care for a child properly] — often + for ▪ He's clearly unfit for the position. ▪ He's unfit for army service. ▪ The defendant was declared unfit for trial. — sometimes followed by to + verb ▪ The defendant is unfit to stand trial.
▪ Her sisters are overweight and unfit. [=out of shape]
— un·fit·ness noun [noncount]
