unfit

below the required standards for a purpose

• “an unfit parent”
• “unfit for human consumption”

not in good physical or mental condition; out of condition

• “fat and very unfit”
• “certified as unfit for army service”
• “drunk and unfit for service”

physically unsound or diseased

• “has a bad back”
• “a bad heart”
• “bad teeth”
• “an unsound limb”
• “unsound teeth”

make unfit or unsuitable

• “Your income disqualifies you”