DIAGNOSTIC 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

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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

Firms that hold durable AI positions build diagnostic systems capable of distinguishing high-weight signals from low-weight noise. — Joseph Byrum, Forbes.com, 1 Oct. 2026 The silicon SoC and the unified memory are both packaged directly onto the processor substrate, and even the internal SSD modules are locked from user replacement or end-user servicing without specialized diagnostic tools. — Brian Westover, PC Magazine, 1 Oct. 2026

Noun

In fact, the only setting is a toggle for sending diagnostics to Avira. — Neil J. Rubenking, PC Magazine, 30 Sep. 2026 Plasma diagnostics are critical to fusion development because engineers need precise measurements to determine how a reactor is performing and whether design changes are working. — Neetika Walter, Interesting Engineering, 29 Sep. 2026 See All Example Sentences for diagnostic

Recent Examples of Synonyms for diagnostic

Adjective

Because of these characteristic trails, apple maggots are also known as railroad worms (the name is more commonly applied to the larvae and wormlike adult females of Phrixothrix beetles).

— Encyclopedia Britannica, Encyclopedia Britannica, 29 Sep. 2026
This naturally produces several of the characteristic properties of observed Little Red Dots.

— Robert Lea, Space.com, 29 Sep. 2026

Definition of characteristic

Noun

Some robo-advisors offer more customization and features, such as tax-loss harvesting, which uses losses to offset other portfolio gains, or automatic rebalancing.

— Kate Dore, CFP®, EA,Kelli Grant, CFP®, CNBC, 8 Oct. 2026
Hennekam remembers that patient to be 8 or 9, with distinctive features.

— Deepa Fernandes, STAT, 8 Oct. 2026

Definition of feature

Adjective

Resnikoff fully inhabits the role of Jaku, giving him a distinctive and consistent voice, posture and temperament.

— Christopher Arnott, Hartford Courant, 2 Oct. 2026
Los Feliz’s Shakespeare Bridge, a 262-foot span with Gothic-style arches and eight distinctive turrets, is approaching its 100th anniversary.

— Los Angeles Times, Los Angeles Times, 2 Oct. 2026

Definition of distinctive

Noun

The company said at the time that the facility would test battery performance, quality and durability under requirements specific to the region.

— Neetika Walter, Interesting Engineering, 3 Oct. 2026
It is estimated that the ring from Spanish jewelry brand Suárez cost over $30,000 at the time, likely due to the high quality of the natural diamond baguette stones.

— Shelby Wax, Vogue, 3 Oct. 2026

Definition of quality

Adjective

But even with 22 tracks to work with, the sound too often defaults to a similar muted backdrop, which blurs some of the less distinct songs together.

— Molly Mary O’Brien, Pitchfork, 7 Oct. 2026
The rooms are designed for gathering, whether that's at the music venue, on the rooftop bar, or in one of the other distinct dining experiences.

— Condé Nast, Condé Nast Traveler, 7 Oct. 2026

Definition of distinct

Adjective

Ironically, the one spot where Dearborn Park genuinely engages the cityscape is along the west side of State south of Roosevelt where a row of single-family homes follows Chicago’s typical development pattern.

— Edward Keegan, Chicago Tribune, 4 Oct. 2026
While not your typical sneaker moment, the shoe blended the comfort of a casual sneaker with all the style and swagger of a high heel.

— Amina Ayoud, Footwear News, 4 Oct. 2026

Definition of typical

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Style

“Diagnostic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diagnostic. Accessed 9 Oct. 2026.

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Synonyms of diagnostic

adjective

noun

Example Sentences

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