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

When plugged into a vehicle’s diagnostic port, the tablet operates as an autonomous network node. — New Atlas, 2 Aug. 2026 Because there is no commercially available diagnostic test, doctors have a difficult time identifying it. — Teresa Mull, FOXNews.com, 1 Aug. 2026

Noun

Future phases are expected to expand subsystem integration, diagnostics, instrumentation, engineering measurements, and additional evaluation of the Texatron platform. — Kaif Shaikh, Interesting Engineering, 4 Aug. 2026 Included inside of Samsung’s Wi-Fi settings, Connectivity Labs provides advanced diagnostics, has a home Wi-Fi inspection feature that lets users walk around their home or office while the phone measures signal strength. — Gene Marks, Forbes.com, 2 Aug. 2026 See All Example Sentences for diagnostic

Recent Examples of Synonyms for diagnostic

Adjective

Although antineutrinos rarely interact with matter, physicists can identify them through a characteristic double-light signal that distinguishes them from background radiation.

— Georgina Jedikovska, Interesting Engineering, 4 Aug. 2026
The facial fat pads that create fullness in the cheeks and temples sometimes shrink faster than skin can retract, producing a characteristic hollowing and laxity.

— Jesse Pines, Forbes.com, 4 Aug. 2026

Definition of characteristic

Noun

The suede and mesh sneakers feature memory foam padding and anti-slip outsoles for a comfortable and supportive fit.

— Isabel Bekele, InStyle, 5 Aug. 2026
The movie, a harrowing account of one family’s separation during the 2004 Indian Ocean tsunami, earned Watts an Oscar nomination for best actress and marked Holland’s acting debut in a live-action feature film.

— Zack Sharf, Variety, 4 Aug. 2026

Definition of feature

Adjective

Night after night, Swift would perform for more than three hours, running back her career one era at a time, each one its own world with distinctive sets, costumes, and colors.

— Mitch Therieau, New Yorker, 1 Aug. 2026
Trademark law protects distinctive brand identifiers—like words and symbols—that tell the public exactly who is behind a product.

— Ashlee Difuntorum, Forbes.com, 1 Aug. 2026

Definition of distinctive

Noun

Even if a potential Skubal trade wouldn’t have cleaned out their farm system, any loss of quality minor leaguers would have a long-term cost in Tampa Bay that far exceeds any concerns in Los Angeles.

— John Romano, The Orlando Sentinel, 4 Aug. 2026
The difference between a ten-thousand-dollar show and one that costs much more involves product quality, pacing, duration, density, and degree of difficulty.

— Paige Williams, New Yorker, 3 Aug. 2026

Definition of quality

Adjective

While the precise number of brokers managed by each service varies, there are some distinct differences.

— Neil J. Rubenking, PC Magazine, 5 Aug. 2026
Researchers looked at differences between the modern human and Neanderthal genomes and identified distinct genetic changes in Neanderthals’ growth hormone receptor—a key cell protein that helps regulate growth throughout the body.

— Jackie Flynn Mogensen, Scientific American, 5 Aug. 2026

Definition of distinct

Adjective

Unlike typical private foundations, a POF actively conducts charitable work, such as exhibiting and conserving objects for public access.

— Matthew F. Erskine, Forbes.com, 4 Aug. 2026
The product, a combo package called 3D Editor + Canvas, essentially combines typical AI generation (which tends to happen in 2D) with the more advanced CG world (which tends to happen in 3D).

— Steven Zeitchik, HollywoodReporter, 4 Aug. 2026

Definition of typical

Noun

And the Ivory Coast international — who is expected to cost in the region of £35million — is a player who would add the attributes that Glasner craves.

— Paul Taylor, New York Times, 1 Aug. 2026
The punchy track shows Cardi calling out her haters in a playful twist, while listing off the many attributes to her name.

— Escher Walcott, PEOPLE, 1 Aug. 2026

Definition of attribute

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diagnostic

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Style

“Diagnostic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diagnostic. Accessed 7 Aug. 2026.

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Synonyms of diagnostic

adjective

noun

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