Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Word Explorer
Children's Dictionary
Help
Help
Help
     

cru·cial

crucial

 
 
pronunciation:
kru shl
features:
Word Parts
part of speech: adjective
definition: very important; deciding the success or failure of something.
It is crucial that you follow directions during a fire drill.The surgeon had reached a crucial moment during the operation.
 
antonyms:
minor, unimportant
similar words:
central, critical, grave, imperative, momentous, serious, vital
derivation: crucially (adv.)