necessary or needed: Government support will be essential if the project is to succeed. There is essential work to be done before the building can be re-occupied. Water is essential for/to living things. It is essential (that) our prices remain competitive. [ + to infinitive ] For the experiment to be valid, it is essential to record the data accur...
extremely important or necessary: A knowledge of Spanish is essential for this job.
very important or necessary: Computer literacy is becoming as essential as the ability to drive a car. an essential component/part of sth Selective expansion of our store base is an essential component of our long-term plan. essential for sth Formulating new strategies is essential for preparing the corporation to meet and sustain future needs. it ...
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