Meaning & use
Diagnostic
Last updated
Relating to or used in the identification of a disease, problem, or fault.
See it in a sentence
The mechanic ran a diagnostic test to find out why the engine was stalling.
Doctors ordered several diagnostic scans to determine the cause of her symptoms.
A note on using this word
The word comes from Greek "diagnostikos," meaning "able to distinguish," the same root shared with "diagnosis."
Words with a similar meaning
analyticalinvestigative
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. noun
A test or procedure used to identify a problem.
The technician ran a full diagnostic on the server before restarting it.
Make it your own
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