Also found in: Thesaurus, Medical.
v. di·ag·nosed, di·ag·nos·ing, di·ag·nos·es
1. To distinguish or identify (a disease, for example) by diagnosis.
2. To identify (a person) as having a particular disease or condition by means of a diagnosis.
3. To analyze the nature or cause of: diagnose the reasons for an economic downturn.
To make a diagnosis.
[Back-formation from diagnosis.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.