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mandatory - 13 thesaurus results
Main Entry: mandatory
Part of Speech: adjective
Definition: required, necessary
Synonyms: binding, commanding, compelling, compulsory, de rigueur, essential, forced, imperative, imperious, indispensable, involuntary, obligatory, requisite, compulsatory, irremissible, needful
Antonyms: optional, unnecessary, voluntary
Main Entry: compulsory
Part of Speech: adjective
Definition: binding
Synonyms: de rigueur, forced, imperative, imperious, mandatory, necessary, obligatory, required, requisite, compulsatory
Antonyms: free, optional, voluntary, liberalized, liberated, unstipulated
Main Entry: forced
Part of Speech: adjective
Definition: compulsory, strained
Synonyms: affected, artificial, binding, bound, contrived, enforced, factitious, false, inflexible, insincere, involuntary, labored, mandatory, obligatory, peremptory, rigid, slave, stiff, stringent, unnatural, unwilling, wooden*, begrudging, coerced, coercive, compelled, conscripted, constrained, grudging
Notes: forcible indicates the use of brute force, forced means done involuntarily, and forceful suggests a potential for force
Antonyms: spontaneous, voluntary, noncompulsory, unforced
Main Entry: obligatory
Part of Speech: adjective
Definition: essential, required
Synonyms: binding, compulsory, de rigueur, enforced, imperative, imperious, mandatory, necessary, requisite, unavoidable, coercive, compulsatory
Antonyms: nonessential, optional, voluntary, unrequired
Main Entry: prerequisite
Part of Speech: adjective
Definition: necessary
Synonyms: essential, expedient, imperative, important, indispensable, mandatory, obligatory, required, requisite, vital, called for, necessitous, needful, of the essence
Antonyms: optional, unnecessary, voluntary
Main Entry: required/requisite
Part of Speech: adjective
Definition: necessary
Synonyms: appropriate, compulsory, deserved, due, enforced, essential, imperative, imperious, indispensable, just, mandatory, needed, obligatory, prerequisite, prescribed, recommended, right, rightful, set, suitable, unavoidable, vital, called for, compulsatory, condign, demanded, needful
Antonyms: nonessential, optional, unnecessary
Main Entry: de rigueur
Part of Speech: adjective
Definition: socially obligatory
Synonyms: au fait, conventional, correct, mandatory, necessary, obligatory, proper, required, right, a must, called for, comme il faut, conforming to accepted standards
Main Entry: hard-and-fast
Part of Speech: adjective
Definition: strict
Synonyms: absolute, binding, carved in stone, compulsory, conclusive, decisive, exacting, final, inflexible, irrevocable, mandatory, set, unalterable, unbending, written, dictated, set in concrete
Main Entry: required
Part of Speech: adjective
Definition: necessary
Synonyms: appropriate, compulsory, deserved, due, enforced, essential, imperative, imperious, indispensable, just, mandatory, needed, obligatory, prerequisite, prescribed, recommended, requisite, right, rightful, set, suitable, unavoidable, vital, called for, compulsatory, condign, demanded, needful
Antonyms: optional, inessential
Main Entry: binding
Part of Speech: adjective
Definition: necessary
Synonyms: compulsory, conclusive, essential, imperative, indissoluble, irrevocable, mandatory, obligatory, required, requisite, unalterable, bounden, counted upon, incumbent on
Main Entry: necessary
Part of Speech: adjective
Definition: essential
Synonyms: basic, binding, cardinal, chief, compelling, compulsory, crucial, de rigueur*, decisive, elementary, exigent, expedient, fundamental, imperative, indispensable, mandatory, momentous, needed, obligatory, paramount, prerequisite, pressing, prime, principal, quintessential, required, requisite, significant, specified, unavoidable, urgent, vital, wanted, all-important, bottom-line, incumbent on, name of game, needful
Antonyms: unimportant, unnecessary, useless, inessential
Main Entry: authoritative
Part of Speech: adjective
Definition: official, authorized
Synonyms: administrative, approved, canonical, ex officio, executive, imperial, lawful, legal, legitimate, magisterial, mandatory, ruling, sanctioned, sovereign, supreme, bureaucratic, departmental, ex cathedra
Antonyms: democratic
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