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

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

Even before the war, the country had already developed a large legal profession, sophisticated corporate firms, and distinctive constitutional institutions, although European legal systems retained greater intellectual prestige.

— Mark Jia, Foreign Affairs, 7 Aug. 2026
The label’s mission emphasizes distinctive creative voices and stories that defy genre convention.

— Naman Ramachandran, Variety, 7 Aug. 2026

Definition of distinctive

Noun

State inspection records show multiple water quality and safety violations at Hialeah's Bucky Dent Water Park, indicating concerns beyond the permitting issues city officials have publicly cited for the facility's closure.

— Abby Dodge, CBS News, 11 Aug. 2026
In the provincial capital Pontianak, schools suspended in-person classes after air quality deteriorated to unhealthy levels and health officials reported a rise in respiratory illnesses.

— ABC News, ABC News, 11 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

The 2026 Jeep Cherokee's exterior redesign is the SUV's most noticeable attribute from afar.

— Charles Singh, USA Today, 8 Aug. 2026
These attributes can reduce logistical burden, extend mission endurance, and deliver resilient power for maritime and expeditionary operations while maintaining low acoustic and thermal signatures.

— Abhishek Bhardwaj, Interesting Engineering, 7 Aug. 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 11 Aug. 2026.

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Synonyms of diagnostic

adjective

noun

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