MeanOF

crucial

- adjective (adj)

Meaning: critical, important

Synonyms: acute central clamorous climacteric climatic compelling deciding decisive desperate dire essential hanging by thread high-priority imperative insistent momentous necessary on thin ice pivotal pressing searching showdown touch and go touchy urgent vital
Antonyms: inessential trivial uncritical unimportant

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.