Advertisement - Continue reading below

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)

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.

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."