improper

adjective
im·​prop·​er | \ (ˌ)im-ˈprä-pər How to pronounce improper (audio) \

Definition of improper

: not proper: such as
a : not in accord with fact, truth, or right procedure : incorrect improper inference
b : not regularly or normally formed or not properly so called
c : not suited to the circumstances, design, or end improper medicine
d : not in accord with propriety, modesty, good manners, or good taste improper language

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Other Words from improper

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.
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Recent Examples on the Web

Attorneys for the defendants have filed motions alleging improper grand jury proceedings in the Schlitterbahn case, but the motions are filed under seal and were not discussed publicly on Thursday. Steve Vockrodt And Lauren Fox, kansascity, "Schlitterbahn to tear down Verruckt water slide in KCK where young boy died in 2016," 12 July 2018 Under current law, improper entry into the U.S. can lead to a fine and imprisonment of up to six months. Kevin Kelleher, Fortune, "GOP Bill Would Make First-Time Illegal Border Crossings a Felony, Divert Sanctuary-City Funding to ICE," 10 July 2018 Earlier this year, an inspection at a restaurant at Trump’s Mar-a-Lago resort resulted in numerous violations, including improper food storage. Jennifer Calfas, Time, "Trump Slams Restaurant That Refused Service to Sarah Huckabee Sanders as ‘Filthy’ and ‘Dirty’," 25 June 2018 Police arrested Bradley and Jennings and gave them a litany of gun charges, including eight counts each of possession of a large-capacity firearm and another eight counts of improper storage of a firearm. Josh Magness, miamiherald, "Man said he had AK-47, grenade launcher for ‘classified’ mission, Massachusetts police say | Miami Herald," 27 Mar. 2018 Such actions constitute an obstruction of justice and improper influence on a witness. Aaron Blake, Washington Post, "Brett Kavanaugh, Trump and what the Starr Report says about impeachment, annotated," 11 July 2018 While denying it did anything improper, the credit union agreed to establish a $950,000 settlement fund, according to court documents. Paul Gores, Milwaukee Journal Sentinel, "Lawsuit accuses Summit Credit Union of improper overdraft fees," 17 May 2018 Soon-Shiong denied anything improper and said NantHealth lost money on the sequencing. John Wilkens, Pomerado News, "Physician turned entrepreneur begins work with new patients: Union-Tribune and L.A. Times," 13 Apr. 2018 Soon-Shiong denied anything improper and said NantHealth lost money on the sequencing. John Wilkens, sandiegouniontribune.com, "Physician turned entrepreneur begins work with new patients: Union-Tribune and L.A. Times," 13 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'improper.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of improper

15th century, in the meaning defined above

History and Etymology for improper

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

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Statistics for improper

Last Updated

15 Mar 2019

Look-up Popularity

Time Traveler for improper

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

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More Definitions for improper

improper

adjective

English Language Learners Definition of improper

: not correct
: not following rules of acceptable behavior : legally or morally wrong
: not suitable for the situation : not appropriate

improper

adjective
im·​prop·​er | \ im-ˈprä-pər How to pronounce improper (audio) \

Kids Definition of improper

: not proper, right, or suitable He used improper grammar.

Other Words from improper

improperly adverb

improper

adjective
im·​prop·​er

Legal Definition of improper

: 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

Other Words from improper

improperly adverb

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More from Merriam-Webster on improper

Rhyming Dictionary: Words that rhyme with improper

Thesaurus: All synonyms and antonyms for improper

Spanish Central: Translation of improper

Nglish: Translation of improper for Spanish Speakers

Britannica English: Translation of improper for Arabic Speakers

Comments on improper

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to corrupt or become corrupted

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