1. Requiring immediate action or remedy.
2. Requiring much effort or expense.
3. Compelling immediate attention.
4. The name of a writ in proceedings before outlawry.

1. The Obama plan is risky. Even if the new president manages to spend wisely, the money for the gargantuan deficits has to come from somewhere: future taxes, exigent foreigners or the printing press.

2. These measures were taken under emergency Fed powers enshrined in U.S. law; the 'unusual and exigent circumstances' contained in paragraph 13.3 of the Federal Reserve Act.

acute, burning, clamant, clamorous, constraining, critical, crucial, crying, imperative, importunate, insistent, instant, menacing, necessary, needful, threatening

Antonyms:ordinary, unpressured, usual