Synonyms for required

Synonyms (Grouped by Similarity of Meaning) of verb require

Sense 1:

necessitate, ask, postulate, need, require, take, involve, call for, demand

Sense 2:

ask, require, expect
demand

Sense 3:

command, require
order, tell, enjoin, say

Sense 4:

want, need, require
be

Similarity of adj required

2 senses of required

Sense 1:

needed, needful, required, requisite
necessary (vs. unnecessary)

Sense 2:

compulsory, mandatory, required
obligatory (vs. optional)