UNDIPLOMATIC Synonyms: 54 Similar and Opposite Words

undiplomatic

adjective

ˌən-ˌdi-plə-ˈma-tik

Definition of undiplomatic

as in inappropriate

showing poor judgment especially in personal relationships or social situations the reporter's undiplomatic references to the state's overweight governor

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of undiplomatic Xue has been accused of undiplomatic conduct in the past. — Micah McCartney, MSNBC Newsweek, 10 Nov. 2025 Stranger things have happened, but that prospect doesn’t seem likely, judging from the bank’s undiplomatic statement. — The Editorial Board, Chicago Tribune, 1 Apr. 2025 His approach, however, is rhetorically more blunt and undiplomatic compared to most of his predecessors. — Christian Datoc, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 22 Mar. 2025 This strength of feeling explains why trans-Atlantic relations were splintering before Friday’s undiplomatic scenes. — Alexander Smith, NBC News, 1 Mar. 2025 See All Example Sentences for undiplomatic

Recent Examples of Synonyms for undiplomatic

Adjective

There has been some opposition, including from the Mauthausen Committee, Austria’s main Holocaust survivors’ group, which has argued both that a police station is inappropriate and that more should be done to draw attention to Hitler’s crimes.

— CNN Money, CNN Money, 22 July 2026
State auditors found in 2018 that $700K in voucher money being spent on cosmetics, clothing, and other inappropriate items.

— Peter Greene, Forbes.com, 22 July 2026

Definition of inappropriate

Adjective

Smaller seats, less legroom, meals on a budget, and now someone whispering indiscreet sweet nothings to their lover in my ear.

— Charlie Hobbs, Condé Nast Traveler, 15 May 2026
The most successful and lucrative family vlogs are indiscreet almost by definition—and yet the wrong kind of indiscretion can derail the whole gravy train.

— Jessica Winter, New Yorker, 7 Apr. 2026

Definition of indiscreet

Adjective

An improper diagnosis can trail a child through their school years, Fombonne said, but a different, underlying condition the person might have—such as depression and anxiety—might go untreated.

— Olga Khazan, The Atlantic, 20 July 2026
An independent committee investigating the cause of Hong Kong’s deadliest fire in decades heard arguments on how improper practices that evaded regulatory oversight turned a small fire into a tragedy as the case neared its conclusion Friday.

— ABC News, ABC News, 17 July 2026

Definition of improper

Adjective

The itinerants were all a bit peculiar, capable of making imprudent choices.

— Literary Hub, Literary Hub, 22 July 2026
And this is Minsky’s point, that speculative excesses during euphoric, transformative periods result in imprudent financing, fragility, and instability.

— Hersh Shefrin, Forbes.com, 4 June 2026

Definition of imprudent

Adjective

Martin-Cotten’s is an indelicate balance between out and out primal furies, parsed with flashes of vulnerability that seem as deeply felt as Martha’s self-loathing.

— Christopher Smith, Oc Register, 13 Feb. 2026
Clutch effort is Herculean, and shifting is indelicate but immensely satisfying.

— Robert Ross, Robb Report, 19 Dec. 2025

Definition of indelicate

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undiminished

undiplomatic

undirected

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“Undiplomatic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undiplomatic. Accessed 27 Jul. 2026.

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Synonyms of undiplomatic

adjective

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