improper

adjective

im·​prop·​er (ˌ)im-ˈprä-pər How to pronounce improper (audio)
: not proper: such as
a
: not in accord with propriety, modesty, good manners, or good taste
improper language
b
: not suited to the circumstances, design, or end
improper medicine
c
: not regularly or normally formed or not properly so called
d
: not in accord with fact, truth, or right procedure : incorrect
improper inference
improperly adverb
improperness noun
Choose the Right Synonym for improper

indecorous, improper, unseemly, unbecoming, indelicate mean not conforming to what is accepted as right, fitting, or in good taste.

indecorous suggests a violation of accepted standards of good manners.

indecorous behavior

improper applies to a broader range of transgressions of rules not only of social behavior but of ethical practice or logical procedure or prescribed method.

improper use of campaign contributions

unseemly adds a suggestion of special inappropriateness to a situation or an offensiveness to good taste.

remarried with unseemly haste

unbecoming suggests behavior or language that does not suit one's character or status.

conduct unbecoming to an officer

indelicate implies a lack of modesty or of tact or of refined perception of feeling.

indelicate expressions for bodily functions

Examples of improper in a Sentence

The doctor gave him an improper diagnosis. They claim to have evidence of improper police conduct. improper use of public land This is an improper diet for a growing teenager. It would be improper for me to ask such a favor of her. He made some improper remarks.
Recent Examples on the Web One of the technology's most critical functions will be to track people who have been flagged with improper scanning, according to the reports. Emilee Coblentz, USA TODAY, 10 Apr. 2024 It’s not recommended to take asbestos samples yourself, as improper handling can be hazardous. Elizabeth B. Kim, The Enquirer, 7 Apr. 2024 In Kentucky during the 2017 eclipse, one person died when they were hit by a car while looking up at the sky in an improper place. Christina Coulter, Fox News, 5 Apr. 2024 The rock-and-roll manager proper, or improper, really begins with Elvis Presley’s manager, Colonel Tom Parker, the former carny with the omnipresent cigar, nodding, winking, and fanning his latest flame into a global conflagration. Andrew O’Hagan, The New Yorker, 1 Apr. 2024 Eight allegations against Eisenberg were substantiated as racist, sexist, ageist, abusive conduct and improper direction to staff. Nollyanne Delacruz, The Mercury News, 25 Mar. 2024 Unfortunately, the wrong test may lead down a path towards additional testing or even improper treatment. Brandon Peters, Verywell Health, 21 Mar. 2024 Olson confirmed that the city had served the landowner with two citations: one for marijuana growth and one for improper zoning. Frank E. Lockwood, arkansasonline.com, 30 Mar. 2024 Key Background In 2021, the FEC accused Braun’s senatorial campaign of accepting millions of dollars in potentially improper loans in 2018. Ty Roush, Forbes, 29 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'improper.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, from Middle French impropre, from Latin improprius, from in- + proprius proper

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of improper was in the 15th century

Dictionary Entries Near improper

Cite this Entry

“Improper.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/improper. Accessed 23 Apr. 2024.

Kids Definition

improper

adjective
im·​prop·​er (ˈ)im-ˈpräp-ər How to pronounce improper (audio)
: not proper, right, or suitable
improperly adverb

Legal Definition

improper

adjective
im·​prop·​er
: not proper: as
a
: not in accord with correct procedure
an improper venue
b
: wrongful
specifically : in violation of a constitution
the denial of trial by jury was held improper
improperly adverb

More from Merriam-Webster on improper

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