| Main Entry: | require |
| Part of Speech: | verb |
| Definition: | need, want |
| Synonyms: | crave, depend upon, desire, feel necessity for, have need, hurting for, lack, miss, stand in need, wish |
| Antonyms: | dislike, have, not want |
| 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: | 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: | adjure |
| Part of Speech: | verb |
| Definition: | command |
| Synonyms: | beseech, charge, entreat, implore, obligate, order, require, supplicate |
| Notes: | abjure is 'swear off' or 'swear away' and adjure is 'command earnestly'; abjure implies a firm and final rejecting or abandoning often made under oath |
| Main Entry: | appeal |
| Part of Speech: | verb |
| Definition: | request |
| Synonyms: | address, adjure, advance, apply, ask, beg, beseech, bid, call, call upon, claim, contest, crave, demand, entreat, hit on, implore, importune, petition, plead, pray, propose, proposition, question, refer, require, resort to, solicit, strike, submit, sue, supplicate, urge |
| Antonyms: | deny, disclaim, recall, refuse, renounce, retract, revoke |
| Main Entry: | bid |
| Part of Speech: | verb |
| Definition: | ask for; command |
| Synonyms: | call, charge, demand, desire, direct, enjoin, instruct, invite, make a pass at, make a pitch, make a play for, order, proposition, request, require, solicit, summon, tell, warn |
| Main Entry: | bind |
| Part of Speech: | verb |
| Definition: | obligate; restrict |
| Synonyms: | compel, confine, constrain, detain, engage, enslave, force, hamper, hinder, hogtie, indenture, lock up, necessitate, oblige, prescribe, put half nelson on, put lock on, require, restrain, restrict, yoke |
| Antonyms: | allow, free, let, permit, set free |
| 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 |