Synonyms of improper
- 1. improper (vs. proper), indecent, indecorous, unbecoming, uncomely, unseemly, untoward, out-of-the-way, wrong, incorrect, inappropriate, indecent, indecorous#1, indelicate, unfit, wrong
- usage: not suitable or right or appropriate; "slightly improper to dine alone with a married man"; "improper medication"; "improper attire for the golf course"
- 2. improper, unconventional, unlawful, irregular (vs. regular)
- usage: not conforming to legality, moral law, or social convention; "an unconventional marriage"; "improper banking practices"
- 3. improper, wrong, inappropriate (vs. appropriate)
- usage: not appropriate for a purpose or occasion; "said all the wrong things"
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Definition and meaning of improper (Dictionary)