Depreciate
Depreciate (de*prē"shi*āt) , transitive verb
[Latin depretiatus, depreciatus, past participle of depretiare, -ciare, to depreciate; de- + pretiare to prize, from pretium price. See Price.]
To lessen in price or estimated value; to lower the worth of; to represent as of little value or claim to esteem; to undervalue. — Addison
Which... some over-severe philosophers may look upon fastidiously, or undervalue and depreciate.
To prove that the Americans ought not to be free, we are obliged to depreciate the value of freedom itself.
Depreciate , intransitive verb
To fall in value; to become of less worth; to sink in estimation; as, a paper currency will depreciate, unless it is convertible into specie.