Synonyms of imperative

1 Syllable

crying, ought, must

2 Syllables

vitals, pressing, urgent, clamant, crucial, right-hand, instant, direr, command, burning, direst, binding, rightness, heaton, needful, heat-on, righthand, vital

3 Syllables

on-the-spot, important, insistent, split-second, insolent, exigent, called-for, committal, life-or-death, out-of-line, mandate, crack-the-whip, imperious, essential, needfulness, compelling, bottom-line, earth-shaking, rightfulness, dominant, critical, required, hurry-up, life-and-death, earthshaking, strategic, acute, clamorous

4 Syllables

necessities, earthshattering, top-priority, compulsory, bottomline, mandatory, coal-and-ice, name-of-the-game, domineering, perseverant, dictative, overweighing, necessity, high-and-mighty, overbearing, immediate, dictatorial, peremptory, requirement, necessary, all-important, earth-shattering, high-priority, decisive, necessaries

5 Syllables

importunate, inescapable, compulsatory, obligatory, desideratum, overbalancing, pre-requisite, irresistible, indispensable, prerequisite

6 Syllables

conventionalities, conventionality, undeniability

7 Syllables

inevitability, indispensability, inevitabilities