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essential - definition and synonyms


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adjective essential pronunciation in American English /ɪˈsenʃ(ə)l/
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  1. 1
    completely necessary
    In a large organization, good internal communication is essential.
    essential for: Light is absolutely essential for the healthy development of plants.
    essential to: He had acquired the skills essential to his later success in politics.
    it is essential (that): It is essential that all equipment is properly maintained.
    it is essential to do something: If you want to make major changes, it is essential to involve your staff.
    essential reading: Her articles are essential reading for anyone interested in the war.
    play an essential role/part in something: She has always played an essential part in the smooth running of the business.
  2. 2
    most basic and necessary
    essential services such as hospitals and public transportation
    food, fuel, and other essential supplies
    1. a.
      the essential features of something are its most basic and typical features
      the essential characteristics of Marxist political thought
      the essential beauty of the area
      The essential difference between us is that I take life seriously.


a meal served in the evening which consists of foods traditionally eaten at breakfast

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