What does the word imperative mean?

Usage examples for imperative

  1. It was imperative that she should go home. – Tess of the d'Urbervilles A Pure Woman by Thomas Hardy
  2. It is imperative that it should be extended at once. – Complete State of the Union Addresses from 1790 to the Present by Various
  3. The very ground on which Wellington, no less than Canning, had justified the agreement made with Russia in 1826 was the necessity of preventing Russia from acting alone; and when Russian and Turkish ships had actually fought at Navarino, and war was all but formally declared, it became more imperative than ever that Great Britain should keep the most vigorous hold upon its rival, and by steady, consistent pressure let it be known to both Turks and Russians that the terms of the Treaty of London and no others must be enforced. – History of Modern Europe 1792-1878 by C. A. Fyffe