Synonyms of the word

unsuitable

• adj. Not suitable; unfit; inappropriate.

bad

• adj. Not good; unfavorable; negative.
• adj. Not suitable or fitting.
• adj. Seemingly non-appropriate, in manners, etc.
• adj. Unhealthy.
• adj. Tricky; stressful; unpleasant.
• adj. Evil; wicked.
• adj. Faulty; not functional.
• adj. (of food) Spoiled, rotten, overripe.
• adj. (of breath) Malodorous, foul.
• adj. (informal) Bold and daring.
• adj. (hip-hop slang) good, superlative.
• adj. (of a need or want) Severe, urgent.
• adv. (now colloquial) Badly.
• n. (slang) Error, mistake.
• n. (countable, uncountable, economics) An item (or kind of item) of merchandise with negative value; an unwanted…
• adj. (slang) Fantastic.
• v. (archaic) Alternative past tense of bid. See bade.
• v. (Britain, dialect, transitive) To shell (a walnut).

improper

• adj. unsuitable to needs or circumstances; inappropriate; inapt.
• adj. Not in keeping with conventional mores or good manners; indecent or immodest.
• adj. Not according to facts; inaccurate or erroneous.
• adj. Not consistent with established facts; incorrect.
• adj. Not properly named; See, for example, improper fraction.
• adj. (obsolete) Not specific or appropriate to individuals; general; common.
• v. (obsolete, transitive) To appropriate; to limit.
• v. (obsolete) To behave improperly.

inapplicable

• adj. Not applicable; incapable of being applied; not adapted; not suitable.

inappropriate

• adj. Not appropriate; not suitable for the situation, time, or place.

ineligible

• adj. Not eligible; forbidden to do something.
• n. One who is not eligible.

irrelevant

• adj. Not related, not applicable, unimportant, not connected.

undesirable

• adj. objectionable or not likely to please.
• n. an undesirable person.

unfit

• adj. Not fit; not having the correct requirements.
• adj. Not fit, not having a good physical demeanor.
• v. To make unfit; to render unsuitable, spoil, disqualify.

wrong

• adj. Incorrect or untrue.
• adj. Asserting something incorrect or untrue.
• adj. Immoral, not good, bad.
• adj. Improper; unfit; unsuitable.
• adj. Not working; out of order.
• adj. Designed to be worn or placed inward; as, the wrong side of a garment or of a piece of cloth.
• adj. (obsolete) Twisted; wry.
• adv. (informal) In a way that isn't right; incorrectly, wrongly.
• n. Something that is immoral or not good.
• n. An instance of wronging someone (sometimes with possessive to indicate the wrongdoer).
• n. The incorrect or unjust position or opinion.
• n. The opposite of right; the concept of badness.
• v. To treat unjustly; to injure or harm.
• v. To deprive of some right, or to withhold some act of justice.
• v. To slander; to impute evil to unjustly.