To Depreciate

1. (transitive) To lessen in price or estimated value; to lower the worth of.
2. (intransitive) To decline in value over time.
3. (transitive) To belittle or disparage.

Usage notes

• Do not confuse with deprecate (“to disapprove of”). The meaning of deprecate has lately been encroaching on depreciate in the sense 'to belittle'.

Synonyms

• (reduce in value over time):
• (belittle): do down

Antonyms

• (reduce in value over time): appreciate
• (belittle): aggrandise/aggrandize, big up (slang)