| 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 |
| Main Entry: | necessary |
| Part of Speech: | adjective |
| Definition: | inevitable |
Synonyms: |
assured, certain, fated, imminent, ineluctable, ineludible, inerrant, inescapable, inevasible, inexorable, infallible, returnless, unavoidable, undeniable, unescapable |
Antonyms: |
contingent, needless, optional, voluntary |
| Main Entry: | automatic |
| Part of Speech: | adjective |
| Definition: | occurring as natural consequence |
Synonyms: |
assured, certain, inescapable, inevitable, necessary, routine, unavoidable |
Antonyms: |
stilted, unnatural |
| Main Entry: | basic |
| Part of Speech: | adjective |
| Definition: | elementary, fundamental |
Synonyms: |
basal, capital, central, chief, elemental, essential, indispensable, inherent, intrinsic, key, main, necessary, primary, primitive, principal, radical, substratal, underlying, vital |
Antonyms: |
additional, extra, inessential, nonessential, outside, peripheral, secondary |
| Main Entry: | compulsory |
| Part of Speech: | adjective |
| Definition: | binding |
Synonyms: |
compulsatory, de rigueur, forced, imperative, imperious, mandatory, necessary, obligatory, required, requisite |
Antonyms: |
free, liberalized, liberated, optional, unstipulated, voluntary |
| Main Entry: | crucial |
| Part of Speech: | adjective |
| Definition: | critical, important |
Synonyms: |
acute, central, clamorous, climacteric, climatic, compelling, deciding, decisive, desperate, dire, essential, hanging by thread, high-priority, imperative, insistent, momentous, necessary, on thin ice, pivotal, pressing, searching, showdown, touch and go, touchy, urgent, vital |
| Notes: | the words crucial, essential, and vital cannot be qualified (cannot be more or less...) |
Antonyms: |
inessential, trivial, uncritical, unimportant |
| Main Entry: | deciding |
| Part of Speech: | adjective |
| Definition: | determining |
Synonyms: |
chief, conclusive, critical, crucial, decisive, important, influential, key, necessary, prime, principal, significant |
Antonyms: |
inconclusive, insignificant, secondary, trivial, uncritical, unimportant |
| Main Entry: | de rigeur |
| Part of Speech: | adjective |
| Definition: | proper, right |
Synonyms: |
au fait, becoming, comme il faut, conventional, correct, decent, decorous, done, fitting, necessary, required |
Antonyms: |
improper, wrong |
| Main Entry: | essential |
| Part of Speech: | adjective |
| Definition: | important, vital |
Synonyms: |
capital, cardinal, chief, constitutive, crucial, foremost, fundamental, imperative, indispensable, leading, main, necessary, necessitous, needed, needful, prerequisite, principal, required, requisite, right-hand, wanted |
Antonyms: |
accessory, auxiliary, inessential, minor, nonessential, secondary, subsidiary, unimportant |
| Main Entry: | exigent |
| Part of Speech: | adjective |
| Definition: | urgent, pressing |
Synonyms: |
acute, burning, clamant, clamorous, constraining, critical, crucial, crying, imperative, importunate, insistent, instant, menacing, necessary, needful, threatening |
Antonyms: |
ordinary, unpressured, usual |