reciprocal
C1Formal, academic, technical.
Definition
Meaning
A relationship or action where two parties give, feel, or perform the same thing to/for each other; mutual.
In mathematics, the multiplicative inverse of a number; in grammar, expressing mutual relationship; in law, an agreement or right mutually granted.
Linguistics
Semantic Notes
Implies a balanced, two-way exchange or relationship. Often used in contexts of obligation, benefit, or feeling. The sense of 'equal' or 'corresponding' is strong.
Dialectal Variation
British vs American Usage
Differences
Usage is largely identical. 'Reciprocal agreement' is more common in UK legal/formal contexts.
Connotations
Both varieties carry formal, sometimes legalistic connotations. In everyday US speech, 'mutual' might be slightly more frequent.
Frequency
Similar frequency in both, slightly higher in academic/technical UK English.
Vocabulary
Collocations
Grammar
Valency Patterns
A reciprocal relationship between X and YX and Y have a reciprocal agreementIt is a reciprocal arrangement.The feeling was not reciprocal.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “A reciprocal agreement”
- “On a reciprocal basis”
Usage
Context Usage
Business
Referring to trade agreements, contracts, or partnerships where benefits and obligations are mutual.
Academic
Describing social relationships, mathematical operations, or grammatical constructs (reciprocal pronouns).
Everyday
Describing feelings or actions that are returned, e.g., 'Our dislike was reciprocal.'
Technical
Mathematics (reciprocal of a number), law (reciprocal contracts), physics (reciprocal motion).
Examples
By Part of Speech
noun
British English
- In maths, the reciprocal of 5 is 1/5.
- The agreement operates as a reciprocal.
American English
- Find the reciprocal of the fraction.
- Their relationship was a true reciprocal.
adjective
British English
- The two nations have a reciprocal defence pact.
- Their reciprocal admiration was evident to everyone.
American English
- The treaty established reciprocal trade privileges.
- The feeling was completely reciprocal.
Examples
By CEFR Level
- They have a reciprocal agreement to help each other.
- The love between them was reciprocal.
- The two companies entered into a reciprocal arrangement to share resources.
- The study examined the reciprocal influences of culture and language.
- The principle of reciprocity underpins the reciprocal obligations in international law.
- The therapist noted the lack of a reciprocal emotional dynamic in the relationship.
Learning
Memory Aids
Mnemonic
Think of 'REturn' and 'reCEive'. ReCIProcal is a reCIPe for a relationship where both sides give and receive equally.
Conceptual Metaphor
RELATIONSHIP IS AN EXCHANGE OF COMMODITIES; BALANCE.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- False friend with 'реципрокный' (rare, technical). Correct equivalents: 'взаимный', 'обоюдный'.
- Avoid confusing with 'recipient' (получатель).
Common Mistakes
- Using 'reciprocal' for a one-way action. *'I felt a reciprocal need to help her.' (Incorrect if she didn't feel the same).
- Overusing in informal contexts where 'mutual' sounds more natural.
Practice
Quiz
In which context is 'reciprocal' LEAST appropriate?
FAQ
Frequently Asked Questions
'Mutual' is broader and more common, often describing a shared feeling/common friend. 'Reciprocal' emphasises a more formal, balanced, two-way exchange or action. They are often interchangeable, but 'reciprocal' is more precise in legal/technical contexts.
Yes, primarily in mathematics (the multiplicative inverse of a number) and sometimes in formal contexts to mean 'something reciprocal'.
It's a mid-frequency word, common in academic, legal, and formal writing, but less common in casual everyday conversation where 'mutual' is often preferred.
In grammar, pronouns like 'each other' and 'one another' that express a mutual relationship or action between the subjects.
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