Definition of "crucial" []

  • Extremely significant or important: a crucial problem. (adjective)
  • Vital to the resolution of a crisis; decisive: a crucial election. See Synonyms at decisive. (adjective)
  • Archaic Having the form of a cross; cross-shaped. (adjective)
  • Involving a final or supremely important decision or event; decisive; critical (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Very important (adjective)
  • Very good (adjective) (c) HarperCollins Publishers Ltd 2016

Use "crucial" in a sentence
  • "Averroes has, unlike Avicenna, made the way something is picked out by the term crucial in determining what kind of modal proposition is produced."
  • "Graham fears deep newsroom cuts would eviscerate local reporting, which he called crucial to "the health of the city.""
  • "Javier Solana, the European Union's foreign-policy representative, welcomed Tuesday what he described as a crucial step in a "historic process" to bring stability to the troubled Caucasus region."