Synonyms of necessary in English:

necessary


See definition of necessary

adjective

1‘planning permission is necessary’

SYNONYMS

obligatory, requisite, required, compulsory, mandatory, imperative, demanded, needed, called for, needful

essential, indispensable, vital, of the essence, incumbent

de rigueur

ANTONYMS

unnecessary, non-essential, dispensable

2‘their fate was a necessary consequence of progress’

SYNONYMS

inevitable, unavoidable, certain, sure, inescapable, inexorable, ineluctable, fated, destined, predetermined, predestined, preordained

ANTONYMS

possible


noun

1‘could you lend me the necessary?’

SYNONYMS

money, cash, the wherewithal, funds, finances, capital, means, resources

informal dough, bread, loot, the ready, the readies

British informal dosh

See also money
"the necessary"