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 Dictionary entry overview: What does crucial mean? 

CRUCIAL (adjective)
  The adjective CRUCIAL has 4 senses:

1. of extreme importance; vital to the resolution of a crisis
2. having crucial relevance
3. of the greatest importance
4. having the power or quality of deciding

  Familiarity information: CRUCIAL used as an adjective is uncommon.

 Dictionary entry details 

CRUCIAL (adjective)

Sense 1crucial [BACK TO TOP]


Of extreme importance; vital to the resolution of a crisis


crucial; important

Context examples:

a crucial moment in his career / a crucial election / a crucial issue for women


critical; decisive (forming or having the nature of a turning point or crisis)

life-and-death; life-or-death (vitally important)

pivotal; polar (being of crucial importance)


critical (being in or verging on a state of crisis or emergency)

decisive (determining or having the power to determine an outcome)

essential (basic and fundamental)


noncrucial (of little importance; not decisive)

Sense 2crucial [BACK TO TOP]


Having crucial relevance

Context examples:

crucial to the case / relevant testimony


material (directly relevant to a matter especially a law case)

Sense 3crucial [BACK TO TOP]


Of the greatest importance


all important; all-important; of the essence; crucial; essential

Context examples:

the all-important subject of disarmament / crucial information / in chess cool nerves are of the essence


important; of import (of great significance or value)

Sense 4crucial [BACK TO TOP]


Having the power or quality of deciding


determining; determinative; determinant; deciding; crucial

Context examples:

the crucial experiment / cast the deciding vote / the determinative (or determinant) battle


decisive (determining or having the power to determine an outcome)

 Learn English with... Proverbs of the week 
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 CRUCIAL: related words searches 

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