| Main Entry: | mandatory |
| Part of Speech: | adjective |
| Definition: | required, necessary |
Synonyms: |
binding, commanding, compelling, compulsatory, compulsory, de rigueur, essential, forced, imperative, imperious, indispensable, involuntary, irremissible, needful, obligatory, requisite |
Antonyms: |
optional, unnecessary, voluntary |
| Main Entry: | authoritative |
| Part of Speech: | adjective |
| Definition: | official, authorized |
Synonyms: |
administrative, approved, bureaucratic, canonical, departmental, ex cathedra, ex officio, executive, imperial, lawful, legal, legitimate, magisterial, mandatory, ruling, sanctioned, sovereign, supreme |
| Notes: | authoritarian is tyrannical while authoritative commands respect |
Antonyms: |
democratic |
| 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: | forced |
| Part of Speech: | adjective |
| Definition: | compulsory, strained |
Synonyms: |
affected, artificial, begrudging, binding, bound, coerced, coercive, compelled, conscripted, constrained, contrived, enforced, factitious, false, grudging, inflexible, insincere, involuntary, labored, mandatory, obligatory, peremptory, rigid, slave, stiff, stringent, unnatural, unwilling, wooden |
Antonyms: |
noncompulsory, spontaneous, unforced, voluntary |
| 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 |
Antonyms: |
fawning, helpless, humble, obedient, servile, subservient, weak |
| 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: | obligatory |
| Part of Speech: | adjective |
| Definition: | essential, required |
Synonyms: |
binding, coercive, compulsatory, compulsory, de rigueur, enforced, imperative, imperious, mandatory, necessary, requisite, unavoidable |
Antonyms: |
nonessential, optional, unrequired, voluntary |
| Main Entry: | prerequisite |
| Part of Speech: | adjective |
| Definition: | necessary |
Synonyms: |
called for, essential, expedient, imperative, important, indispensable, mandatory, necessitous, needful, obligatory, of the essence, required, requisite, vital |
Antonyms: |
optional, unnecessary, voluntary |
| 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 |