UNFITTING
inappropriate, incompatible, out or keeping, unfitting
(adjective) not in keeping with what is correct or proper; “completely inappropriate behavior”
UNFIT
disqualify, unfit, indispose
(verb) make unfit or unsuitable; “Your income disqualifies you”
Source: WordNet® 3.1
Etymology
Adjective
unfitting (comparative more unfitting, superlative most unfitting)
That is not fitting for its purpose
Improper
Source: Wiktionary
UNFIT
Un*fit", v. t. Etym: [1st pref. un- + fit.]
Definition: To make unsuitable or incompetent; to deprive of the strength,
skill, or proper qualities for anything; to disable; to incapacitate;
to disqualify; as, sickness unfits a man for labor; sin unfits us for
the society of holy beings.
Un*fit", a. Etym: [Pref. un- + fit.]
Definition: Not fit; unsuitable.
– Un*fit"ly, adv.
– Un*fit"ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition