requireverb [ T ]
uk/rɪˈkwaɪər/us/rɪˈkwaɪr/B1 to need something or make something necessary:
Please call this number if you require any further information.
Skiing at 80 miles per hour requires total concentration.
[ + obj + to infinitive ] Bringing up children often requires you to put their needs first.
You are required by law to stop your car after an accident.
[ + that ] The rules require that you bring only one guest to the dinner.
More examples
- Students at this level require a lot of help.
- Children under 17 require an accompanying parent or guardian to see this film.
- It requires a few minor adjustments.
- Students are required to undertake simple experiments.
- This is a very sensitive case requiring extreme circumspection.
Thesaurus: synonyms and related words
Lacking things
- bankrupt
- bankruptcy
- be hard up (for sth) idiom
- bereft
- catch
- cry out for sth
- demand
- hole
- lack
- lacking
- need
- need sth like you need a hole in the head idiom
- needful
- short
- take
- the cupboard is bare idiom
- the UN
- unsatisfied
- vacuum
- want
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You can also find related words, phrases, and synonyms in the topics:
Essential or necessary