| Main Entry: | critical |
| Part of Speech: | adjective |
| Definition: | urgently important |
Synonyms: |
acute, all-important, climacteric, conclusive, consequential, crucial, dangerous, deciding, decisive, desperate, determinative, dire, exceptive, grave, hairy*, hazardous, high-priority, integral, momentous, perilous, pivotal, precarious, pressing, risky, serious, significant, strategic, urgent, vital, weighty |
Antonyms: |
trivial, uncritical, unimportant |
| Main Entry: | life-and-death |
| Part of Speech: | adjective |
| Definition: | extremely important |
Synonyms: |
all-important, consequential, critical, crucial, determining, earth-shaking, earth-shattering, essential, imperative, important, indispensable, life or death, meaningful, of vital importance, paramount, pivotal, serious, significant, urgent, vital, vitally important |
| Main Entry: | necessary |
| Part of Speech: | adjective |
| Definition: | essential |
Synonyms: |
all-important, basic, binding, bottom-line, cardinal, chief, compelling, compulsory, crucial, de rigueur, decisive, elementary, exigent, expedient, fundamental, imperative, incumbent on, indispensable, mandatory, momentous, name of game, needed, needful, obligatory, paramount, prerequisite, pressing, prime, principal, quintessential, required, requisite, significant, specified, unavoidable, urgent, vital, wanted |
Antonyms: |
inessential, unimportant, unnecessary, useless |