Synonyms of diagnostic

diagnostic 1 of 2

adjective

ˌdī-ig-ˈnä-stik 

variants also diagnostical

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

Synonyms & Similar Words

• characteristic
• distinctive
• distinguishing
• distinct
• typical
• identifying
• individual
• peculiar
• proper
• symptomatic
• classic
• unmistakable
• discriminating
• general
• usual
• specific
• generic
• special
• common
• identifiable
• normal
• particular
• idiosyncratic
• regular
• pronounced
• model
• especial
• paradigmatic
• archetypal

Antonyms & Near Antonyms

• atypical
• uncharacteristic
• untypical
• nontypical

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

• characteristic
• feature
• quality
• trait
• attribute
• attribution
• criterion
• specific
• property
• marker
• fingerprint
• hallmark
• peculiarity
• mark
• character
• touch
• indication
• stamp
• affection
• particularity
• symbol
• differentia
• note
• sign
• point
• emblem
• badge
• token
• excellence
• merit
• virtue
• grace
• charm
• eccentricity
• singularity
• uniqueness
• idiosyncrasy
• quirk
• individuality
• oddity

Example Sentences

Recent Examples of diagnostic

Adjective

Research can support local expertise and diagnostic capacity while helping identify treatments relevant to the continent’s health priorities. — Segun Fatumo, semafor.com, 19 Oct. 2026

His conversations about bookstores tend to also have a diagnostic air. — Nathan Heller, New Yorker, 19 Oct. 2026

Noun

The diagnostics, personalization and specialized services are the parts driving the biggest price jumps. — Ashley Lynch, Fort Worth Star-Telegram, 5 Oct. 2026

In fact, the only setting is a toggle for sending diagnostics to Avira. — Neil J. Rubenking, PC Magazine, 30 Sep. 2026