necessitate
C1Formal
Definition
Meaning
To make something necessary or unavoidable; to require or compel as a condition.
To cause something to be needed as a direct result or condition of something else, often implying logical consequence or practical requirement.
Linguistics
Semantic Notes
Used primarily in formal, academic, business, or technical contexts. Implies a strong, often unavoidable, requirement rather than a simple suggestion.
Dialectal Variation
British vs American Usage
Differences
Usage is essentially identical in both varieties. No significant spelling, grammatical, or semantic differences.
Connotations
In both varieties, the word carries a formal, somewhat impersonal connotation of logical or practical requirement.
Frequency
Slightly more frequent in American academic and bureaucratic writing, but the difference is minimal.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] + necessitate + [Direct Object (noun/gerund)][Subject] + necessitate + [that-clause][Subject] + necessitate + [Direct Object] + [Adverbial (e.g., for safety)]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Necessity is the mother of invention. (Conceptually related, but not using the verb 'necessitate' directly.)”
Usage
Context Usage
Business
Used in reports and plans: 'The merger will necessitate a restructuring of the sales department.'
Academic
Common in argumentation: 'The hypothesis necessitates a re-examination of the underlying assumptions.'
Everyday
Rare in casual conversation. Might be used humorously or ironically: 'Your sudden visit necessitates a trip to the shops.'
Technical
Used in engineering, medicine, etc.: 'The increased load necessitates the use of reinforced materials.'
Examples
By Part of Speech
verb
British English
- The flooding necessitated the evacuation of several villages.
- Further repairs will necessitate closing the bridge to lorries.
- Does the new regulation necessitate our filing a separate report?
American English
- The budget shortfall necessitates cuts in several programs.
- Your proposal would necessitate hiring additional staff.
- The design necessitated using a more durable material.
Examples
By CEFR Level
- Bad weather necessitated a change of plans.
- The broken lock necessitates a call to the landlord.
- The complexity of the case necessitates a thorough investigation.
- Rapid expansion will necessitate significant new investment.
- His failing health necessitated his early retirement from the position.
- The theoretical framework necessitates a critical reappraisal of long-held doctrines.
Learning
Memory Aids
Mnemonic
Think: 'A necessary state' → to 'necessitate' is to *make* something a necessary state.
Conceptual Metaphor
CAUSATION IS FORCE / LOGICAL REQUIREMENT IS A PHYSICAL REQUIREMENT (e.g., 'The evidence forces/necessitates a conclusion.')
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'необходить' (incorrect) or 'нуждаться' (to need). The correct conceptual translation is often 'делать необходимым', 'требовать', 'влечь за собой'.
- Avoid using 'necessitate' where a simpler verb like 'need' or 'require' is more natural in English.
Common Mistakes
- Incorrect: 'It necessitates to buy a new car.' Correct: 'It necessitates buying a new car.' or 'It necessitates that we buy a new car.'
- Overuse in informal contexts where 'need', 'require', or 'mean' would be more appropriate.
Practice
Quiz
Which sentence uses 'necessitate' correctly?
FAQ
Frequently Asked Questions
No, it is a formal word most common in written English in academic, business, or official contexts. In everyday speech, 'need', 'require', or 'mean' are more frequent.
It is typically followed by a noun, a gerund (-ing form), or a 'that'-clause (more formal). It is NOT followed by an infinitive (to + verb).
They are close synonyms, but 'necessitate' is more formal and often implies a stronger sense of logical or unavoidable consequence. 'Require' is more general and widely used.
Yes, but it is less common. For example: 'A visa is necessitated by a stay of over 90 days.' The active voice ('A stay of over 90 days necessitates a visa.') is more typical.