IELTS Anvil

imperative

CEFR: C1

Of vital, absolute importance; an unavoidable biological, moral, or strategic necessity.

Synonyms

crucial
mandatory
cardinal

Common Collocations

it is imperative to
it is imperative that
moral imperative
economic imperative

Example Sentence

Finding reliable stopover wetlands for refueling is an absolute biological imperative for migrating sandpipers.

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