re· quire ri-ˈkwī (-ə)r. required; requiring. Synonyms of require. transitive verb. 1. a. : to claim or ask for by right and authority. b. archaic : request. 2. a. : to call for as suitable or appropriate. the occasion requires formal dress. b. : to demand as necessary or essential : have a compelling need for. all living beings require food. 3. More @Wikipedia
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