necessary

Meaning

Required to be done, achieved, or present; essential.

required; essential; needed for a particular purpose

Example Sentences

Strict regulations are necessary for maintaining order.

It is necessary to wear a helmet when riding a motorcycle.

Synonyms

essential, vital, required, crucial, important, mandatory

Entry 1

essential, vital, required, crucial, important, mandatory

Entry 3

essential, required, vital, important

Antonyms

optional, unnecessary, dispensable, unimportant, superfluous, needless

Entry 1

optional, unnecessary, dispensable, unimportant, superfluous, needless

Entry 3

unnecessary, optional, dispensable, unimportant

Collocations

necessary steps, necessary equipment, absolutely necessary