Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [389]
1disc variant of DISK
2disc abbreviation discount
1discard verb 1 : to let go a playing card from one's hand; also : to play (a card) from a suit other than a trump but different from the one led
2 : to get rid of as unwanted
Synonyms
cast, ditch, dump, fling, jettison, junk, lose, reject, scrap, shed, shuck, slough, throw away, throw out, unload; also abandon, desert, forsake; dismiss; abolish, annihilate, eliminate, eradicate, expunge, exterminate, extinguish, extirpate, liquidate, remove, root (out), stamp (out), wipe out
2discard noun : one that is cast off or rejected
Synonyms
cull, reject, rejection—more at CULL
disc brake noun : a brake that operates by the friction of a pair of plates pressing against the sides of a rotating disc
dis·cern verb 1 : to detect with the eyes : DISTINGUISH
2 : to recognize or identify as separate and distinct : DISCRIMINATE
3 : to come to know or recognize mentally
Synonyms
[1] behold, descry, distinguish, espy, eye, look, note, notice, observe, perceive, regard, remark, see, sight, spy, view, witness—more at SEE
[2] differentiate, discriminate, distinguish, separate—more at DISTINGUISH
dis·cern·ible noun : capable of being discerned
Synonyms
appreciable, detectable, distinguishable, palpable, perceptible, sensible—more at PERCEPTIBLE
dis·cern·ing adjective : revealing insight and understanding
Synonyms
insightful, perceptive, sagacious, sage, sapient, wise—more at WISE
dis·cern·ment noun : the ability to grasp and comprehend what is obscure
Synonyms
insight, perception, sagacity, sapience, wisdom—more at WISDOM
1discharge verb 1 : to relieve of a charge, load, or burden : UNLOAD; especially : to remove the electrical energy from <~ a storage battery>
2 : to let or put off <~ passengers>
3 : to drive (as an arrow or bullet) forward quickly or forcibly : SHOOT
4 : to set free <~ a prisoner>
5 : to give outlet or vent to <~ emotions> <~ fumes>
6 : to dismiss from service or employment, service, or duty <~ a soldier>
7 : to get rid of by paying or doing <~ a debt>
8 : to give forth fluid Synonyms [1, 2] disburden, disencumber, unburden, unload—more at UNLOAD [3] blast, fire, loose, shoot—more at SHOOT [5] cast, emit, exhale, expel, issue, release, shoot, vent—more at EMIT [7] clear, foot, liquidate, pay, pay off, quit, recompense, settle, spring, stand—more at PAY 2discharge noun 1 : the act of discharging, unloading, releasing, or relieving 2 : something that discharges; especially : a certification of release or payment 3 : a firing off (as of a gun)