all-important

Synonyms

critical, essential, imperative, indispensable, integral, must-have, necessary, necessitous, needed, needful, required, requisite, vital;

Antonyms

dispensable, inessential, needless, nonessential, unessential, unnecessary, unneeded;

Near Antonyms

undesired, unwanted;

inconsequential, insignificant, unimportant;

excess, external, extra, extraneous, superfluous, surplus;

Related Words

prerequisite;

compulsory, mandatory, nonelective, obligatory;

consequential, crucial, important, major, material, meaningful, momentous, significant, substantial, weighty;

basic, central, fundamental, key, organic;

insistent, persistent, pressing, urgent;

Phrases

of the essence;