Englishfor English speakers
mentally
—
adverb
in your mind
he suffered mentally
unfit
—
adjective
below the required standards for a purpose
an unfit parent
unfit for human consumption
—
adjective
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
—
adjective
(= bad, unsound)
physically unsound or diseased
has a bad back
a bad heart
bad teeth
an unsound limb
unsound teeth
—
verb
(= disqualify)
make unfit or unsuitable
Your income disqualifies you