Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class VI. Words Relating to the Sentient and Moral Powers
Section II. Personal Affections
1. Passive Affections

832. Discontent.

   NOUN:DISCONTENT, discontentment; dissatisfaction; “the winter of our discontent” [Henry VI]; dissent [See Dissent]; querulousness (lamentation) [See Lamentation]; hypercriticism.
  DISAPPOINTMENT, mortification; cold comfort; regret [See Regret]; repining, taking on [colloq.] &c. v.; inquietude, vexation of spirit, soreness; heartburning, heartgrief.
  MALCONTENT, grumbler, growler, grouch [slang], croaker, laudator temporis acti [L.]; censurer, complainer, faultfinder, murmurer.
  The Opposition; Bitter-Enders [U. S. politics], Die-Hards; cave of Adullam; indignation meeting.
   VERB:BE DISCONTENTED &c. adj.; quarrel with one’s bread and butter; repine; regret [See Regret]; wish one to Jericho, wish one at the bottom of the Red Sea; take on [colloq.], take to heart; shrug the shoulders; make a wry face, pull a long face; knit one’s brows; look blue, look black, look black as thunder, look blank, look glum.
  GRUMBLE, take ill, take in bad part; fret, chafe, make a piece of work [colloq.], croak; lament [See Lamentation].
  CAUSE DISCONTENT &c. n.; dissatisfy, disappoint, mortify, put out [colloq.], disconcert; cut up; dishearten.
   ADJECTIVE:DISCONTENTED; dissatisfied &c. v.; unsatisfied, ungratified; dissident; dissentient [See Dissent]; malcontent, exigent, exacting, hypercritical.
  REPINING &c. v.; regretful [See Regret]; down in the mouth (dejected) [See Dejection].
  GLUM, sulky; in high dudgeon, in a fume, in the sulks, in the dumps, in bad humor; sour, sour as a crab; sore as a crab [colloq.]; soured, sore; out of humor, out of temper.
  DISAPPOINTING &c. v.; unsatisfactory.
   ADVERB:FROM BAD TO WORSE, out of the frying pan into the fire, in the depths of despair.
   INTERJECTION:so much the worse! that’s bad! couldn’t be worse! worse and worse!    QUOTATIONS:
  1. That -, it- will never do.
  2. Curtæ nescio quid semper abest rei.—Horace
  3. Ne Jupiter quidem omnibus placet.
  4. Poor in abundance, famished at a feast.—Young
  5. No tears but o’ my shedding.—Merchant of Venice