constraint
B2Formal to neutral; common in academic, technical, business, and legal contexts.
Definition
Meaning
A limitation or restriction that controls or directs action, behavior, or development.
Something that limits freedom or prevents natural development; a condition or factor that must be accounted for in planning or problem-solving.
Linguistics
Semantic Notes
Often implies an external or imposed limitation rather than a personal choice. Can refer to physical, legal, financial, social, or conceptual limits.
Dialectal Variation
British vs American Usage
Differences
Usage is largely identical. British English may slightly favor 'constraint' in formal policy/planning contexts, while American English uses it heavily in engineering/computing.
Connotations
Neutral to slightly negative, implying restriction. In positive contexts, can imply necessary focus or discipline.
Frequency
Slightly higher frequency in American English corpus data, particularly in technical writing.
Vocabulary
Collocations
Grammar
Valency Patterns
impose/place a constraint on [sb/sth]work/operate under constraintsbe subject to constraintsface constraints in [doing sth]act as a constraintremove/lift constraintsVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “tighten the constraints”
- “chafe at the constraints”
- “a constraint on one's time”
Usage
Context Usage
Business
Refers to limitations like budget, regulations, or market conditions affecting strategy.
Academic
Used in discussing theoretical models, research limitations, or parameters in arguments.
Everyday
Used for practical limitations like time or money (e.g., 'The main constraint is my schedule').
Technical
In engineering/software: a condition a design must satisfy (e.g., 'thermal constraints').
Examples
By Part of Speech
verb
British English
- The new regulations will constrain investment in the sector.
American English
- Budget cuts constrained the agency's ability to respond.
adverb
British English
- The team worked constrainedly due to lack of data.
American English
- He spoke constrainedly about the confidential matter.
adjective
British English
- We are working in a constraint-laden environment.
American English
- The constraint-based model proved effective.
Examples
By CEFR Level
- Money is a big constraint for our holiday plans.
- The main constraint on the project is the short deadline.
- Legal constraints prevented the company from entering the new market.
- The theoretical framework imposes certain constraints on permissible interpretations.
Learning
Memory Aids
Mnemonic
Think: CON + STRAIN + T. A constraint puts a 'strain' on your plans, holding you back.
Conceptual Metaphor
CONSTRAINTS ARE PHYSICAL BOUNDARIES/CAGES (e.g., 'freed from constraints', 'operating within constraints').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Не путать с 'принуждение' (coercion). 'Constraint' — это скорее 'ограничение', 'сдержанность'.
Common Mistakes
- Using 'constraint' for internal willpower (use 'restraint'). Confusing 'constraint' (neutral/objective) with 'restriction' (often imposed).
Practice
Quiz
In which sentence is 'constraint' used most correctly?
FAQ
Frequently Asked Questions
'Constraint' is often an external limitation. 'Restraint' is often internal self-control or a physical holding back.
Yes, in contexts like creativity or engineering, constraints can focus effort and lead to innovative solutions.
Primarily countable (e.g., 'several constraints'). Can be uncountable when referring to the general state of being limited.
The most limiting factor that determines the maximum possible outcome or performance.