All improper synonyms

adj improper

• undue — unwarranted; excessive: undue haste.
• unfit — not fit; not adapted or suited; unsuitable: He was unfit for his office.
• unseasonable — not seasonable; being out of season; unseasonal: unseasonable weather.
• unsuitable — not suitable; inappropriate; unfitting; unbecoming.
• unsuited — appropriate: She is suited to such a job.
• untimely — not timely; not occurring at a suitable time or season; ill-timed or inopportune: An untimely downpour stopped the game.
• infelicitous — inapt, inappropriate, or awkward; malapropos: an infelicitous remark.
• unapt — not appropriate; unfit; unsuitable: an unapt answer.
• befitting — proper or right; suitable
• uncomely — pleasing in appearance; attractive; fair: a comely face.
• at odds — If someone is at odds with someone else, or if two people are at odds, they are disagreeing or quarrelling with each other.
• inapposite — not apposite; not pertinent.
• off-base — located outside the perimeters of a military base: off-base housing for officers.
• unfitting — suitable or appropriate; proper or becoming.
• blue — Something that is blue is the colour of the sky on a sunny day.
• dirty — soiled with dirt; foul; unclean: dirty laundry.
• impolite — not polite or courteous; discourteous; rude: an impolite reply.
• indecorous — not decorous; violating generally accepted standards of good taste or propriety; unseemly.
• indelicate — offensive to a sense of generally accepted propriety, modesty, or decency; improper, unrefined, or coarse: indelicate language.
• lewd — inclined to, characterized by, or inciting to lust or lechery; lascivious.
• malodorous — having an unpleasant or offensive odor; smelling bad: a malodorous swamp.
• naughty — improper, tasteless, indecorous, or indecent: a naughty word.
• risque — daringly close to indelicacy or impropriety; off-color: a risqué story.
• rough — having a coarse or uneven surface, as from projections, irregularities, or breaks; not smooth: rough, red hands; a rough road.
• salacious — lustful or lecherous.
• suggestive — that suggests; referring to other thoughts, persons, etc.: His recommendation was suggestive of his boss's thinking.
• unbecoming — detracting from one's appearance, character, or reputation; unattractive or unseemly: an unbecoming hat; unbecoming language.
• unconventional — not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality: an unconventional artist; an unconventional use of material.
• ungodly — not accepting God or a particular religious doctrine; irreligious; atheistic: an ungodly era.
• unequitable — inequitable.
• unrighteous — not righteous; not upright or virtuous; wicked; sinful; evil: an unrighteous king.
• unrightful — having a valid or just claim, as to some property or position; legitimate: the rightful owner of the farm.