1.  depreciate(v = verb.communication) deprecate, vilipend - belittle; "The teacher should not deprecate his student's efforts"
is one way to belittle, disparage, pick at
Derived forms noun depreciation₃, adjective depreciative₂, noun depreciator₁, adjective depreciatory₂
Sample sentences: Somebody ----s something

2.  depreciate(v = verb.change) - lower the value of something; "The Fed depreciated the dollar once again"
is one way to devalue
Antonym: appreciate
Derived forms noun depreciation₁, noun depreciation₂, adjective depreciative₁, adjective depreciatory₁
Sample sentences: Somebody ----s something; Something ----s something

3.  depreciate(v = verb.change) devaluate, devalue, undervalue - lose in value; "The dollar depreciated again"
is one way to decrease, diminish, fall, lessen
Antonym: appreciate
Derived forms noun depreciation₁, noun depreciation₂, adjective depreciative₁, adjective depreciatory₁
Sample sentences: Something ----s

depreciate, v.
1 tr. & intr. diminish in value (the car has depreciated).
2 tr. disparage; belittle (they are always depreciating his taste).
3 tr. reduce the purchasing power of (money).

Derivative:
depreciatingly adv. depreciatory adj.

Etymology:
LL depretiare (as DE-, pretiare f. pretium price)

VB  decrease, diminish, lessen, abridge, shrink, drop off, fall off, tail off, fall away, waste, wear, wane, ebb, decline, descend, subside, melt away, die away, retire into the shade, hide its diminished head, fall to a low ebb, run low, languish, decay, crumble, bate, abate, dequantitate, discount, depreciate, extenuate, lower, weaken, attenuate, fritter away, mitigate, dwarf, throw into the shade, reduce, shorten, subtract.

VB  disapprove, dislike, lament, object to, take exception to, be scandalized at, think ill of, view with disfavor, view with dark eyes, view with jaundiced eyes, nil admirari, disvalue, improbate, frown upon, look grave, bend the brows, knit the brows, shake the head at, shrug the shoulders, turn up the nose, look askance, look black upon, look with an evil eye, make a wry face, make a wry mouth at, set one's face against, dispraise, discommend, disparage, deprecate, speak ill of, not speak well of, condemn, blame, lay blame upon, cast blame upon, censure, fronder, reproach, pass censure on, reprobate, impugn, remonstrate, expostulate, recriminate, reprehend, chide, admonish, berate, betongue, bring to account, call to account, call over the coals, rake over the coals, call to order, take to task, reprove, lecture, bring to book, read a lesson, read a lecture to, rebuke, correct, reprimand, chastise, castigate, lash, blow up, trounce, trim, laver la tete, overhaul, give it one, give it one finely, gibbet, accuse, impeach, denounce, hold up to reprobation, hold up to execration, expose, brand, gibbet, stigmatize, show up, pull up, take up, cry 'shame' upon, be outspoken, raise a hue and cry against, execrate, exprobate, speak daggers, vituperate, abuse, abuse like a pickpocket, scold, rate, objurgate, upbraid, fall foul of, jaw, rail, rail at, rail in good set terms, bark at, anathematize, call names, call by hard names, call by ugly names, avile, revile, vilify, vilipend, bespatter, backbite, clapperclaw, rave against, thunder against, fulminate against, load with reproaches, exclaim against, protest against, inveigh against, declaim against, cry out against, raise one's voice against, decry, cry down, run down, frown down, clamor, hiss, hoot, mob, ostracize, blacklist, draw up a round robin, sign a round robin, animadvert upon, reflect upon, glance at, cast reflection, cast reproach, cast a slur upon, insinuate, damn with faint praise, hint a fault and hesitate dislike, not to be able to say much for, scoff at, point at, twit, taunt, sneer at, satirize, lampoon, defame, depreciate, find fault with, criticize, cut up, pull to pieces, pick to pieces, take exception, cavil, peck at, nibble at, carp at, be censorious, pick holes, pick a hole, pick a hole in one's coat, make a fuss about, take down, take down a peg, set down, snub, snap one up, give a rap on the knuckles, throw a stone at, throw a stone in one's garden, have a fling, have a snap at, have words with, pluck a crow with, give one a wipe, give one a lick with the rough side of the tongue, incur blame, excite disapprobation, scandalize, shock, revolt, get a bad name, forfeit one's good opinion, be under a cloud, come under the ferule, bring a hornet's nest about one's ears, take blame, stand corrected, have to answer for.

VB  detract, derogate, decry, deprecate, depreciate, disparage, run down, cry down, backcap, belittle, sneer at, criticize, pull to pieces, pick a hole in one's coat, asperse, cast aspersions, blow upon, bespatter, blacken, vilify, vilipend, avile, give a dog a bad name, brand, malign, muckrake, backbite, libel, lampoon, traduce, slander, defame, calumniate, bear false witness against, speak ill of behind one's back, fling dirt, anathematize, dip the pen in gall, view in a bad light, impugn (disparage the motives of), assail, attack, oppose, denounce, accuse.

VB  underrate, underestimate, undervalue, underreckon, depreciate, disparage, not do justice to, misprize, disprize, ridicule, slight, neglect, slur over, make light of, make little of, make nothing of, make no account of, belittle, minimize, think nothing of, set no store by, set at naught, shake off as dewdrops from the lion's mane.