called for, compulsory, demanded, essential, mandatory, necessary, needed, obligatory, prescribed, recommended, requisite, set, unavoidable, vital
elective, noncompulsory, not necessary, not vital, optional, unimportant, voluntary
English Collins Dictionary - English synonyms & Thesaurus
require ( requires 3rd person present) ( requiring present participle) ( required past tense & past participle )
1 verb If you require something or if something is required, you need it or it is necessary.
FORMAL If you require further information, you should consult the registrar... V n
This isn't the kind of crisis that requires us to drop everything else... V n to-inf
Some of the materials required for this technique may be difficult to obtain. V-ed
2 verb If a law or rule requires you to do something, you have to do it.
FORMAL The rules also require employers to provide safety training... V n to-inf
At least 35 manufacturers have flouted a law requiring prompt reporting of such malfunctions... V n
The law now requires that parents serve on the committees that plan and evaluate school programs... V that
Then he'll know exactly what's required of him. be V-ed of n
3 If you say that something is required reading for a particular group of people, you mean that you think it is essential for them to read it because it will give them information which they should have.
required reading phrase v-link PHR, oft PHR for n
...an important research study that should be required reading for every member of the cabinet.
Translation English Cobuild Collins Dictionary
To add entries to your own vocabulary, become a member of Reverso community or login if you are already a member.
It's easy and only takes a few seconds: