AskDefine | Define crucial

Dictionary Definition

crucial adj
1 of extreme importance; vital to the resolution of a crisis; "a crucial moment in his career"; "a crucial election"; "a crucial issue for women" [syn: important] [ant: noncrucial]
2 having crucial relevance; "crucial to the case"; "relevant testimony" [syn: relevant]
3 of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence" [syn: all-important(a), all important(p), essential, of the essence(p)]
4 having the power or quality of deciding; "the crucial experiment"; "cast the deciding vote"; "the determinative (or determinant) battle" [syn: deciding(a), determinant, determinative, determining(a)]

User Contributed Dictionary



From |instantia crucis.



  1. Being essential or decisive for determining the outcome or future of something; extremely important.
    The battle of Tali-Ihantala in 1944 is one of the crucial moments in the history of Finland.
    A secure supply of crude oil is crucial for any modern nation, let alone a superpower.
  2. Cruciform or cruciate; cross-shaped.
  3. In the context of "slang|especially|Jamaican English": Term of approval, particularly when applied to reggae music.


extremely important
  • Finnish: ratkaiseva, elintärkeä
  • German: entscheidend
  • Hebrew: מכריע (crucial for determining the future), חיוני (crucial for existence or welfare)
  • Italian: cruciale
  • Polish: krytyczny
  • Portuguese: crucial
  • Spanish: crucial
  • Swedish: avgörande
  • Finnish: ristinmuotoinen
  • Italian: cruciforme
  • Portuguese: crucial

Extensive Definition

Crucial may refer to:

Synonyms, Antonyms and Related Words

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