• more Thesaurus
  • Definition
    • crucial :of extreme importance; vital to the resolution of a crisis
      • a crucial moment in his career|a crucial election|a crucial issue for women

    • crucial :having crucial relevance
      • crucial to the case|relevant testimony

    • crucial :of the greatest importance
      • the all-important subject of disarmament|crucial information|in chess cool nerves are of the essence

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  • Derivative