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the manufacturer's warranty is no longer valid if the appliance is used improperly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

The most recent controversy came in January, when the county paid $135,000 to settle a lawsuit that accused Kramer of improperly slashing a property’s value by millions of dollars — then retaliating against the employee who raised alarms about it. — Jakob Rodgers, Mercury News, 7 July 2026

The new complaint accused Bojangles of failing to adequately secure employee data, misleading workers about how safe its systems were and improperly benefiting by skimping on cybersecurity. — Chase Jordan july 7, Charlotte Observer, 7 July 2026

Trump’s real estate holdings had led Democrats to investigate him for improperly financially benefiting from his office. — Shirsho Dasgupta, Miami Herald, 7 July 2026

One Frisco restaurant received a high score for insufficient hot water and improperly stored food during the June 14-27 health inspections, according to data from the city compiled by the Star-Telegram. — Harriet Ramos, Fort Worth Star-Telegram, 3 July 2026

Overloading the machine strains parts, causes breakdowns, and leaves clothes improperly cleaned. — Melissa Locker, Southern Living, 3 July 2026

The trial court risked prejudicing the jury by improperly admitting evidence about Mead Johnson’s finances, including its revenues, profits, and executive compensation, the appeals court said. — David Hilzenrath, USA Today, 2 July 2026

In addition to the names that were allegedly improperly redacted from the files and documents that were withheld, the DOJ also came under fire for not redacting some victim information, while seemingly protecting the names of Epstein associates. — Alison Durkee, Forbes.com, 2 July 2026

The initial order came as a penalty after the FTC found that a coding error had caused then-Twitter to improperly share users’ contact information for ad targeting that had initially been submitted for two-factor authentication. — Ashley Belanger, ArsTechnica, 2 July 2026