must-have

Synonyms

condition, demand, essential, must, necessary, necessity, need, needful, requirement, requisite, sine qua non;

Antonyms

nonessential, nonnecessity;

Near Antonyms

amenity, comfort, extra, extravagance, frill, indulgence, luxury, superfluity, surplus, surplusage;

Related Words

precondition, prerequisite;

advantage, edge, plus;