| Main Entry: |
required
|
| Part of Speech: | adjective |
| Definition: | necessary |
| Synonyms: | appropriate, called for, compulsatory, compulsory, condign, demanded, deserved, due, enforced, essential, imperative, imperious, indispensable, just, mandatory, needed, needful, obligatory, prerequisite, prescribed, recommended, requisite, right, rightful, set, suitable, unavoidable, vital |
| Antonyms: | inessential, optional |
| Main Entry: | require |
| Part of Speech: | verb |
| Definition: | ask, demand; necessitate |
| Synonyms: | assert oneself, beg, beseech, bid, call for, call upon, cause, challenge, claim, command, compel, constrain, crave, demand, direct, enjoin, entail, exact, expect, insist upon, instruct, involve, look for, obligate, oblige, order, postulate, push for, request, requisition, solicit, take |
| Main Entry: | required/requisite |
| Part of Speech: | adjective |
| Definition: | necessary |
| Synonyms: | appropriate, called for, compulsatory, compulsory, condign, demanded, deserved, due, enforced, essential, imperative, imperious, indispensable, just, mandatory, needed, needful, obligatory, prerequisite, prescribed, recommended, right, rightful, set, suitable, unavoidable, vital |
| Antonyms: | nonessential, optional, unnecessary |
| 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: | bound |
| Part of Speech: | adjective |
| Definition: | obligated; destined |
| Synonyms: | apprenticed, articled, bent, bounden, certain, coerced, compelled, constrained, contracted, doomed, driven, duty-bound, enslaved, fated, firm, forced, having no alternative, impelled, indentured, intent, made, necessitated, obligated, obliged, pledged, pressed, required, restrained, sure, under compulsion, under necessity, urged |
| Antonyms: | allowed, free, permitted, unbounded, unobliged, unrestricted |
| 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: | 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 |
| Notes: | the words crucial, essential, and vital cannot be qualified (cannot be more or less...) |
| Antonyms: | accessory, auxiliary, inessential, minor, nonessential, secondary, subsidiary, unimportant |
| Main Entry: | imperious |
| Part of Speech: | adjective |
| Definition: | bossy, overbearing |
| Synonyms: | arrogant, authoritative, autocratic, commanding, compulsatory, compulsory, despotic, dictatorial, domineering, exacting, haughty, high-handed, imperative, imperial, mandatory, obligatory, oppressive, overweening, peremptory, required, tyrannical, tyrannous |
| Notes: | imperial pertains to the qualities of power and royalty; imperious implies that someone is overbearing or domineering |
| Antonyms: | fawning, helpless, humble, obedient, servile, subservient, weak |