Meanings
comparative more diagnostic · superlative most diagnostic · alternative obsolete diagnostick
- Of, or relating to diagnosis.
- medicineCharacteristic of a particular disease.
- Serving to indicate or specify a particular item or thing within a group of similar things.
1 more example
Each language has its own distinct phonological qualities which a counter can tap into with effect. It is not necessarily specific phonemes (though these can sometimes be diagnostic), but rather the frequency and phonotactic distribution of each disparate set of phonemes that go together in the speech stream in certain recognisable ways.
2019, Li Huang, James Lambert, “Another Arrow for the Quiver: A New Methodology for Multilingual Researchers”, in Journal of Multilingual and Multicultural Development, volume 41, number 7, →DOI, →ISSN, page 10 - educationIntended to assess a student's preexisting knowledge on the material being taught.
A diagnostic assessment
- biologyCharacteristic of a particular taxon or clade.
plural diagnostics · alternative obsolete diagnostick
- That by which anything is known; a symptom.
Synonyms & antonyms
adjectivecharacteristic or indicative of a disease
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*trísinflu.
- Proto-Indo-European*dwís
- Ancient Greekδιά (diá)
- Ancient Greekδια- (dia-)
- Proto-Indo-European*ǵneh₃-
- Proto-Indo-European*ǵn̥h₃sḱéti
- Proto-Hellenic*gignṓskō
- Ancient Greekγῐγνώσκω (gĭgnṓskō)
- Ancient Greekδῐαγῐγνώσκω (dĭagĭgnṓskō)
- Ancient Greekδῐᾰ́γνωσῐς (dĭắgnōsĭs)
- Ancient Greekδῐᾰ- (dĭă-)
- Proto-Indo-European*ǵneh₃-
- Proto-Indo-European*ǵneh₃tis
- Ancient Greekγνῶσις (gnôsis)
- Ancient Greekγνωστῐκός (gnōstĭkós)
- Ancient Greekδῐαγνωστῐκός (dĭagnōstĭkós)
- Englishdiagnostic
From Ancient Greek διαγνωστικός (diagnōstikós), adjective from διαγιγνώσκω (diagignṓskō, “to distinguish, diagnose”).
More words from Ancient Greek
Full word history & related roots →Translations
Bulgarian диагности́чен
- диагности́чен (diagnostíčen)of, or relating to diagnosis
Catalan diagnòstic
- diagnòsticof, or relating to diagnosis
Czech diagnostický
- diagnostickýof, or relating to diagnosis
Danish diagnostisk
- diagnostiskof, or relating to diagnosis
Dutch diagnostisch
- diagnostischof, or relating to diagnosis
Esperanto diagnoza
- diagnozaof, or relating to diagnosis
Finnish diagnostinen
- diagnostinenof, or relating to diagnosis
French diagnostique
- diagnostiqueof, or relating to diagnosis
German diagnostisch
- diagnostischof, or relating to diagnosis
Greek διαγνωστικός
- διαγνωστικός (diagnostikós)of, or relating to diagnosis
Hindi नैदानिक
- नैदानिक (naidānik)of, or relating to diagnosis
Hungarian diagnosztikai
- diagnosztikaiof, or relating to diagnosis
Italian diagnostico
- diagnosticoof, or relating to diagnosis
Norwegian Bokmål diagnostisk
- diagnostiskof, or relating to diagnosis
Polish diagnostyczny
- diagnostycznyof, or relating to diagnosis
Portuguese diagnóstico
- diagnósticoof, or relating to diagnosis
Romanian de diagnoză, de diagnostic
- de diagnozăof, or relating to diagnosis
- de diagnosticof, or relating to diagnosis
Russian диагности́ческий
- диагности́ческий (diagnostíčeskij)of, or relating to diagnosis
Spanish diagnóstico
- diagnósticoof, or relating to diagnosis
Turkish tanılayıcı, tanısal
- tanılayıcıof, or relating to diagnosis
- tanısalof, or relating to diagnosis
- teşhise aitof, or relating to diagnosis
- teşhisle alakalı/ilgiliof, or relating to diagnosis
Ukrainian діагности́чний
- діагности́чний (diahnostýčnyj)of, or relating to diagnosis
Cite this entry
diagnostic. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/diagnostic
“diagnostic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diagnostic. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “diagnostic,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/diagnostic.
Source: diagnostic on Wiktionary, CC BY-SA 4.0.