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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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

The siblings-in-law addressed comments from Alli McBee suggesting their relationship had been inappropriate.

— Deirdre Durkan, PEOPLE, 4 Aug. 2026
Students also need to learn when AI use is inappropriate, when a primary source has to be read directly and when a judgment is too consequential to delegate.

— Ray Ravaglia, Forbes.com, 4 Aug. 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

Critics of Medicaid expansion argued that increasing the number of people who could get health insurance through the program would increase fraud and improper enrollment.

— Ben Zdencanovic, The Conversation, 3 Aug. 2026
The conservative Paragon Health Institute’s president, Brian Blase, wrote in a recent webpost that the HHS report’s conclusion on the scope of improper enrollment is likely an undercount.

— Julie Appleby, Miami Herald, 3 Aug. 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

Adjective

The case that American leadership in this technology carries a genuine security dimension has never looked stupid to me.

— Jason Snyder, Forbes.com, 8 Aug. 2026
The women are in stupid costumes (Heather Gay is dressed as a leprechaun at one point) and yelling at one another for yet-unknown reasons.

— Jason P. Frank, Vulture, 6 Aug. 2026

Definition of stupid

Browse Nearby Words

undiminished

undiplomatic

undirected

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“Undiplomatic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undiplomatic. Accessed 10 Aug. 2026.

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Synonyms of undiplomatic

adjective

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