Synonyms of prerequisite in English:

prerequisite


See US English definition of prerequisite

See UK English definition of prerequisite

noun

1‘training is a prerequisite for competence’

SYNONYMS
necessary condition, precondition, condition, essential, requirement, requisite, necessity, proviso, qualification, imperative, basic, rudiment, obligation, duty
sine qua non
informal must
ANTONYMS

non-essential


adjective

1‘the student must have the prerequisite knowledge’

SYNONYMS
necessary, needed, required, called for, essential, requisite, vital, basic, of the essence, indispensable, imperative, obligatory, mandatory, compulsory
de rigueur
rare needful
ANTONYMS

unnecessary, non-essential