require
need somethingThis job requires a degree in computer science.
This job needs a degree in computer science as a necessary qualification.
To need something because it is essential or very important
The university requires all students to submit a thesis.
The university mandates that all students submit a thesis as part of their graduation.
These plants require direct sunlight to grow.
These plants need constant exposure to sunlight to thrive.
Often used in formal contexts like laws, contracts, or instructions. Can imply a rule or obligation rather than a simple need.
To demand or insist on something as part of an agreement or rule
The contract requires both parties to sign the document.
The contract legally obligates both parties to sign the document.
Common in legal, business, or technical contexts to denote a mandatory condition.
To make it necessary for someone to do something
The situation requires us to act quickly.
The situation makes it necessary for us to take immediate action.
Often used in problem-solving or decision-making contexts.
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Pro Tip
Formal vs. Informal Use
Use 'require' in formal contexts (e.g., contracts, instructions) and 'need' in casual speech. 'Require' sounds more authoritative, while 'need' is softer.
Gold Rule
Avoid Redundancy
Don’t pair 'require' with 'must' or 'have to'—e.g., 'This job requires you must have a degree' is incorrect. Use 'requires a degree' instead.
Word Origin
From Old French *requirer* (to seek, ask for), from Latin *requirere* (to seek again, search for), from *re-* (again) + *quaerere* (to seek).
Usage Notes
Avoid using 'require' interchangeably with 'want' or 'desire'—'require' implies necessity, not preference. In formal writing, 'required' is often used as an adjective (e.g., 'required reading').