| Main Entry: | requisite |
| Part of Speech: | noun |
| Definition: | need |
Synonyms: |
condition, essential, must, necessity, precondition, requirement |
Antonyms: |
nonessential |
| Main Entry: | adequate |
| Part of Speech: | adjective |
| Definition: | enough, able |
Synonyms: |
acceptable, all right, capable, comfortable, commensurate, competent, decent, equal, fair, passable, requisite, satisfactory, sufficient, sufficing, suitable, tolerable, unexceptional, unobjectionable |
| Notes: | adequate tends toward the qualitative and sufficient toward the quantitative, so adequate is 'suitable to something' and sufficient is 'enough for something' |
Antonyms: |
inadequate, inferior, insufficient, unequal, unfit, unqualified, unsuitable, useless |
| Main Entry: | binding |
| Part of Speech: | adjective |
| Definition: | necessary |
Synonyms: |
bounden, compulsory, conclusive, counted upon, essential, imperative, incumbent on, indissoluble, irrevocable, mandatory, obligatory, required, requisite, unalterable |
| 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: | condition |
| Part of Speech: | noun |
| Definition: | requirement, limitation |
Synonyms: |
arrangement, article, catch, codicil, contingency, demand, essential, exception, exemption, fine print, kicker, modification, must, necessity, postulate, precondition, prerequisite, provision, proviso, qualification, requisite, reservation, rule, sine qua non, small print, stipulation, strings, terms |
| Main Entry: | due |
| Part of Speech: | adjective |
| Definition: | appropriate, proper |
Synonyms: |
becoming, coming, condign, deserved, earned, equitable, fair, fit, fitting, good, just, justified, merited, obligatory, requisite, rhadamanthine, right, rightful, suitable |
Antonyms: |
improper, inappropriate, insufficient, unjustified, unmerited, unrightful, unsuitable |
| 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: | essential |
| Part of Speech: | noun |
| Definition: | necessity, basic |
Synonyms: |
ABCs, bottom line, brass tacks, condition, element, essence, fire and ice, fundamental, groceries, guts*, heart, meat and potatoes, must, name of the game, nitty-gritty, nuts and bolts, part and parcel, precondition, prerequisite, principle, quintessence, requirement, requisite, rudiment, sine qua non, stuff, substance, vital part, where one's at |
Antonyms: |
accessory, auxiliary, nonessential, subsidiary, throwaway, trivia |
| Main Entry: | fundamental |
| Part of Speech: | adjective |
| Definition: | basic, important |
Synonyms: |
axiological, axiomatic, basal, bottom, bottom-line, cardinal, central, constitutional, constitutive, crucial, elemental, elementary, essential, first, foundational, grass-roots, indispensable, integral, intrinsic, key, major, meat-and-potatoes, necessary, organic, original, paramount, primary, prime, primitive, primordial, principal, radical, requisite, rudimentary, significant, structural, substratal, substrative, supporting, sustaining, theoretical, underived, underlying, vital |
Antonyms: |
additional, advanced, auxiliary, extra, minor, secondary, subordinate, trivial, unimportant |
| Main Entry: | indispensable |
| Part of Speech: | adjective |
| Definition: | necessary |
Synonyms: |
basal, basic, cardinal, crucial, essential, fundamental, imperative, key, necessitous, needed, needful, prerequisite, primary, required, requisite, vital |
Antonyms: |
dispensable, needless, nonessential, redundant, superfluous, unnecessary |