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the manufacturer's warranty is no longer valid if the appliance is used improperly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

Tech giant Meta revealed Wednesday that one of its artificial intelligence models hacked another organization during testing, the third time in recent weeks that an AI model has improperly accessed a third-party company. — CBS News, 6 Aug. 2026

The letter from the state Attorney General’s Office asserts that Menlo Park improperly changed its reasons for denying a streamlined approval process for the residential portion of the project. — George Avalos, Mercury News, 5 Aug. 2026

Some personal drinks were improperly stored, and two live roaches were found in the facility. — Harriet Ramos, Fort Worth Star-Telegram, 2 Aug. 2026

Each of the states' responses expressed concern about improperly removing eligible voters from the rolls. — Miles Parks, NPR, 31 July 2026

In doing so, the museum was able to improperly withdraw federal grant funds. — Harrison Jacobs, ARTnews.com, 31 July 2026

According to the recall notice, the cars' rear-side window glass trim could be improperly secured, potentially flying off the vehicle when in motion. — Fernando Cervantes Jr, USA Today, 31 July 2026

Investigators later concluded the pilot had ejected improperly following multiple technical malfunctions. — Neetika Walter, Interesting Engineering, 31 July 2026

The judge is accused of improperly threatening to jail the DA and two other county prosecutors. — Aj Willingham, AJC.com, 30 July 2026