"Seismic" validity in different word game dictionaries

Dictionary Validity
Scrabble US(US/Canada/Thailand - TWL/NWL) Yes
Scrabble UK(International - SOWPODS/CSW) Yes
Words with Friends(WWF) Yes

"seismic" Definition

  1. connected with or caused by earthquakes
  2. having a very great effect; of very great size

"seismic" Synonyms & Antonyms

"seismic" synonyms:

  • tectonic,
  • quaky,
  • quivering,
  • tremorous,
  • tremulous,
  • churning,
  • earthshattering,
  • groundbreaking,
  • profound,
  • tumultuous,

"seismic" antonyms:

  • ethereal,
  • insubstantial,
  • subtle,
  • vaporous,
  • constant,
  • fixed,
  • motionless,
  • placid,
  • solid,
  • unchanging,
  • frivolous,
  • inconsequential,
  • insignificant,
  • superficial,
  • trivial,
  • steady,
  • unvarying,
  • perpetual,
  • stable

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