DIAGNOSTICAL Synonyms: 72 Similar and Opposite Words

diagnostic 1 of 2

adjective

ˌdī-ig-ˈnä-stik

variants also diagnostical

Definition of diagnostic

as in characteristic

serving to identify as belonging to an individual or group studies that show that cultural diversity is a diagnostic feature of a thriving city

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Antonyms & Near Antonyms

diagnostic

2 of 2

noun

as in feature

something that sets apart an individual from others of the same kind the thesis that moral decline is the infallible diagnostic of a decadent society

Synonyms & Similar Words

Example Sentences

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 diagnostic

Adjective

For one, the individuals in the study self-reported their stage of menopause, which the researchers didn’t confirm with hormone or other diagnostic tests. — Claire Cameron, Scientific American, 8 Sep. 2026 In point-of-care diagnostics, companies like UltraSight secured FDA approval for real-time AI guidance systems that help non-expert healthcare workers autonomously acquire diagnostic-quality cardiac ultrasound images. — Mrigakshi Dixit, Interesting Engineering, 7 Sep. 2026

Noun

These include remote handling, cryogenics, heat transfer, power supplies, diagnostics, instrumentation, and planar-coil magnet engineering. — Atharva Gosavi, Interesting Engineering, 10 Sep. 2026 Provide prenatal diagnostics, TeleNICU access, neonatal education, standardized care pathways, bridge-to-home services, and rural newborn care coordination. — Arkansas Democrat-Gazette, Arkansas Online, 27 Aug. 2026 See All Example Sentences for diagnostic

Recent Examples of Synonyms for diagnostic

Adjective

Since industrial logging began more than a century ago, most of Vancouver Island’s productive old-growth forests — those capable of growing the large trees characteristic of the island’s rainforests — have been cut.

— Annika Hammerschlag, Los Angeles Times, 16 Sep. 2026
Different chemical elements absorb and emit different wavelengths of light, marking that spectrum with different characteristic fingerprints.

— Rahul Rao, Space.com, 14 Sep. 2026

Definition of characteristic

Noun

Duarte’s writing features detailed prose and a moving storyline, encompassing grief, healing, and the losses borne by a Latinx family in the name of American patriotism.

— Literary Hub, Literary Hub, 17 Sep. 2026
Another endearing dining feature at the property is its honesty pantry containing drinks and snacks to go and a coffee station for early risers—guests can feel free to pad about any time of day or night.

— Condé Nast, Condé Nast Traveler, 17 Sep. 2026

Definition of feature

Adjective

That copper complex is also responsible for the formula’s distinctive blue hue, while glycerin and two forms of hyaluronic acid draw in moisture for an immediate plumping effect.

— Christa Joanna Lee, Allure, 6 Sep. 2026
During the traditional preparation process, calcium is added, which gives the jelly its distinctive firm and rubbery texture.

— Michiko Tomioka, CNBC, 5 Sep. 2026

Definition of distinctive

Noun

Researchers need to establish what remains in the purified water and whether those substances could affect drug quality or patient safety.

— Neetika Walter, Interesting Engineering, 8 Sep. 2026
As the pair chase show jumping immortality this weekend, those are the qualities that will be needed to make history.

— Danielle Rossingh, New York Times, 8 Sep. 2026

Definition of quality

Adjective

The Pigeon Sisters — Desi Amato as Gwendolyn and Penny Amara as Cecily — are played as distinct individuals rather than as near-twins as often happens.

— Christopher Arnott, Hartford Courant, 16 Sep. 2026
Sometimes those differences, while distinct, still touch the same product in some way.

— Michael Khouw, CNBC, 16 Sep. 2026

Definition of distinct

Noun

Other soccer-like traits at Ryan Field include a very high proportion of the seats being under cover and the striking sight that what Americans across the land have come to know as the Upper Deck experience just does not exist here.

— The Editorial Board, Chicago Tribune, 6 Sep. 2026
His ability to square the ball up and not chase out of the strike zone are probably his best traits.

— Jim Bowden, New York Times, 4 Sep. 2026

Definition of trait

Adjective

In typical Zheng fashion, she’s been upfront about what she’s learned as she’s begun the long climb back to the top of the sport.

— Ava Wallace, New York Times, 9 Sep. 2026
Look forward to a more comfortable return to typical or even slightly below-average temperatures this weekend and next week.

— Sean Macaday, Sacbee.com, 8 Sep. 2026

Definition of typical

Noun

Can a machine effortlessly extract your product’s key attributes, exact pricing, stock levels and shipping policies in less than a second?

— Narendra Lakshmana Gowda, Forbes.com, 14 Sep. 2026
Several young goalkeepers had been bought by Premier League clubs the previous summer, leaving Newcastle feeling there was a paucity of options, though Hornicek’s all-round attributes caught the attention of Ross Wilson, their sporting director.

— Chris Waugh, New York Times, 14 Sep. 2026

Definition of attribute

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diagnosis

diagnostic

diagnostics

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“Diagnostic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diagnostic. Accessed 18 Sep. 2026.

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Synonyms of diagnostic

adjective

noun

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