Synonyms for Stressful:

• adj.

  •difficult (adjective)
  • grinding,
  • adverse,
  • hard,
  • arduous,
  • knotty,
  • strenuous,
  • ticklish,
  • cantankerous,
  • troublesome,
  • oppressive,
  • tight,
  • tricky,
  • harsh,
  • complicated,
  • toilsome,
  • rough,
  • finicky,
  • uphill,
  • tough,
  • wearisome,
  • wearing,
  • bothersome,
  • onerous,
  • difficult,
  • demanding,
  • contrary,
  • rugged,
  • laborious,
  • fussy,
  • thorny,
  • formidable,
  • wearying,
  • severe,
  • burdensome,
  • cumbersome,
  • complex.
  •nerve-racking (adjective)
  • exasperating,
  • upsetting,
  • irritating,
  • maddening,
  • Irksome,
  • annoying.

• n.

  •
  • anxious.

Antonyms for Stressful:

• adj.

  • taxing
    facile, easy, untroubling, trivial.
  • tense
    limpid, unworried, relaxed, uncaring, limp, loose, slack, unafraid, composed, easy-going, calm, happy, untroubled, laid-back.
  • trying
    mild, moderate, unstressful.
  • Other antonyms:
    agreeable.