Depreciate vs. Deprecate
“Depreciate” concerns losing or reducing value; “deprecate” means to express disapproval or to describe something as having little value. The verbs can overlap loosely around lowered estimation, but modern practical usage distinguishes financial/value decline from expressed disapproval.
“Depreciate” concerns losing or reducing value; “deprecate” means to express disapproval or to describe something as having little value.
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| money, an asset, or another thing loses value | depreciate | Use the word about a decline in value. |
| someone expresses disapproval or belittles something | deprecate | Use the word about disapproval or treating something as having little value. |
| the sentence concerns accounting or price decline | depreciate / depreciation | Keep the value sense distinct from verbal disapproval. |
Quick tests
Meaning / construction test
Is the sentence about something becoming less valuable?
If yes: Use “depreciate.”
If no: If the meaning is express disapproval or play down the worth of something, use “deprecate.”
Caveat: Choose by the documented meaning or construction; a different pattern may be valid in a different sentence structure or variety.
Examples
The equipment will depreciate over time.
The meaning is a loss of value.
She deprecated the dismissive tone of the comment.
The verb expresses disapproval.
The report records annual depreciation.
The noun belongs to the value-loss sense.
Further guidance
Core difference
“Depreciate” concerns losing or reducing value; “deprecate” means to express disapproval or to describe something as having little value.
Fast Test
If the subject is market or monetary value falling, choose “depreciate”; if the meaning is disapproval, choose “deprecate”.
Usage Boundary
The verbs can overlap loosely around lowered estimation, but modern practical usage distinguishes financial/value decline from expressed disapproval.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Depreciate — Cambridge Dictionary (opens in a new tab)Cambridge University Press · Direct dictionary evidence for depreciate meaning a loss or reduction in value, especially over time.
- Deprecate — Cambridge Dictionary (opens in a new tab)Cambridge University Press · Direct dictionary evidence for deprecate meaning formal disapproval or describing something as having little value.