ETYM French impropre, Latin improprius; pref. im- not + proprius proper. Related to Proper.
1. Not conforming to legality, moral law, or social convention; SYN. unconventional, unlawful.
2. Not suitable or right or appropriate.

ETYM Pref. in- not + applicable.
Not capable of being applied; SYN. unsuitable.

ETYM Pref. in- not + apt: cf. French inapte. Related to Inept.
Inappropriate; unsuitable; inept.
Unfit or unqualified.

ETYM Pref. in- not + eligible: cf. French inéligible.
1. Not eligible.
2. (Sports) Prohibited by official rules.

ETYM Latin ineptus; prefix. in- not + aptus apt, fit: cf. French inepte. Related to Inapt.
Revealing lack of perceptiveness or judgment or finesse; SYN. tactless.
Inappropriate; weak; silly.

1. Inappropriate, unsuitable
2. Not accustomed and not likely
3. Dull, backward

ETYM Pref. un- + fit.
1. Below the required standards for a purpose.
2. Not in good physical or mental condition; out of condition.

Not adapted; unqualified

Not meet; unsuitable, improper

1. Not appropriate for a purpose or occasion; SYN. improper, wrong.
2. Not conducive to good moral development.
3. Not meant or adapted for a particular purpose.

In an improper way.

In an inapplicable manner, in a manner which cannot be applied, unsuitably

In an incapable manner, unskillfully; inappropriately, unsuitably

In an unqualified manner, unsuitably, without ability

In an unfit manner, unsuitably

Unfittingly, inappropriately; not accordantly