"You canker blossom!" 3 Shakespearean Insults


[dahy-uh g-nos-tik] /ˌdaɪ əgˈnɒs tɪk/
of, relating to, or used in diagnosis.
serving to identify or characterize; being a precise indication.
diagnosis (def 1).
a symptom or characteristic of value in diagnosis.
Medicine/Medical. a device or substance used for the analysis or detection of diseases or other medical conditions.
  1. a message output by a computer diagnosing an error in a computer program, computer system, or component device.
  2. a program or subroutine that produces such messages.
Origin of diagnostic
1615-25; < Greek diagnōstikós, equivalent to diagnōst(ós) distinguished (akin to diágnōsis; see diagnosis) + -ikos -ic
Related forms
diagnostically, adverb
postdiagnostic, adjective
prediagnostic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for diagnostic
  • There are the medication issues, and there are also the diagnostic issues, and these are of course related.
  • Facial moustache mark and more powerful flight are diagnostic.
  • But automakers resist letting car owners access diagnostic tools.
  • Applicants called in for an interview will likely be asked to complete a diagnostic editing quiz.
  • First, you need to get into the handset's diagnostic mode.
  • Today, they rely on diagnostic tests to find out what's going on with the patient.
  • And the vast vast majority of people who do meet the diagnostic criteria for mental illness are never violent.
  • diagnostic medical testing may be required if cramps are a persistent problem.
  • In a press release, a study co-author warned that the biomarkers aren't a diagnostic test and could indicate other injuries.
  • Asperger's has no definitive diagnostic test and extremely subjective criteria.
British Dictionary definitions for diagnostic


of, relating to, or of value in diagnosis
(med) any symptom that provides evidence for making a specific diagnosis
a diagnosis
Derived Forms
diagnostically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for diagnostic

1620s (adjective and noun), from Greek diagnostikos "able to distinguish," from diagnostos, verbal adjective from diagignoskein (see diagnosis). Related: Diagnostics.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
diagnostic in Medicine

diagnostic di·ag·nos·tic (dī'əg-nŏs'tĭk)

  1. Of, relating to, or used in a diagnosis.

  2. Serving to identify a particular disease; characteristic.

  1. diagnostics The art or practice of medical diagnosis.

  2. A symptom or a distinguishing feature serving as supporting evidence in a diagnosis.

  3. An instrument or a technique used in medical diagnosis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for diagnostic

Some English speakers likely know this word

Word Value for diagnostic

Scrabble Words With Friends