Synonyms of improperly

improperly

adverb

as in incorrectly

in a mistaken or inappropriate way

the manufacturer's warranty is no longer valid if the appliance is used improperly

Synonyms & Similar Words

• incorrectly
• mistakenly
• erroneously
• inappropriately
• inaccurately
• wrongly
• unsuitably
• faultily
• inaptly
• inadequately
• insufficiently
• imperfectly
• misguidedly
• unwisely
• extraneously
• pointlessly
• irrelevantly
• unsatisfactorily
• senselessly
• undesirably
• meaninglessly
• amiss
• fallibly
• foolishly

Antonyms & Near Antonyms

• properly
• correctly
• appropriately
• well
• rightly
• suitably
• right
• aptly
• perfectly
• fittingly
• adequately
• sufficiently
• infallibly
• meaningfully
• sensibly
• satisfactorily
• pertinently
• acceptably
• wisely
• prudently
• relevantly
• germanely
• sagely

Example Sentences

Recent Examples of improperly

Some voters were improperly kicked off the voting rolls because of address mistakes contained in voter information Watson had purchased from the Experian credit rating agency, the news site Mississippi Today reported Friday. — Gregory S. Schneider The Washington Post, Arkansas Online, 11 Nov. 2026

Oklahoma alleged the company improperly charged pharmacies transaction fees between September 2020 and October 2021. — Suzanne Blake, MSNBC Newsweek, 9 Nov. 2026

Judges who, according to the Superior Court, exhibited biases, imposed vindictive sentences or improperly denied recusal requests remained on the bench. — Samantha Melamed, ProPublica, 9 Nov. 2026

Members of Congress also accused the Justice Department of improperly redacting information about possible unindicted co-conspirators. — Sarah N. Lynch, CBS News, 6 Nov. 2026

Trump’s lawyers urged a New York appeals court Thursday to overturn his 34-count hush money conviction, arguing prosecutors improperly built the case on federal election law. — Jennifer Peltz, Los Angeles Times, 5 Nov. 2026

In the case of another vessel, Skipper, attorneys for Burevestmarin said the Justice Department did not establish the correct venue and may have improperly seized the vessel. — Tom Winter, NBC news, 5 Nov. 2026

In February, Kalshi disclosed that a video editor working for MrBeast’s company made $5,000 by improperly using confidential information to place bets about MrBeast content. — James Hibberd, HollywoodReporter, 5 Nov. 2026

Giuffra's main argument to the court was that prosecutors improperly used a federal law -- the Federal Election Campaign Act -- in state court to secure a conviction. — Aaron Katersky, ABC News, 5 Nov. 2026