Reciprocity
noun
Definition
1. (noun) The practice of exchanging things with others for mutual benefit — giving and receiving equally in return.
2. (noun) A principle in relationships, diplomacy, or agreements where one side responds in the same way the other side acted — matching action with action.
2. (noun) A principle in relationships, diplomacy, or agreements where one side responds in the same way the other side acted — matching action with action.
Context Alive
You always help your neighbour carry her shopping bags upstairs. One morning you oversleep and she knocks on your door with fresh coffee and breakfast. You didn't ask for it — she just did it because that's how reciprocity works. You give, and eventually it comes back.
Meanings
2 meanings 1 Mutual Exchange of Benefit (Noun) Common ▼
This meaning is about a two-way exchange where both sides give and receive something of roughly equal value. Imagine two colleagues who regularly cover each other's shifts — when one needs a day off, the other steps in, and vice versa. That balance is built on reciprocity. This is describing a relationship where giving is matched by receiving. You might read "friendships are built on reciprocity" to mean both people need to invest effort, not just one, or someone could say "there's no reciprocity in this relationship" when one person always gives and the other only takes. Or think about a neighbourhood where people look after each other's houses when someone is on holiday — that mutual trust is a form of reciprocity. The word points to balance and fairness in exchange.
✏️ Reciprocity is the noun form of reciprocal (adjective) and reciprocate (verb). "She reciprocated the favour" means she returned it. In psychology, the principle of reciprocity is a well-known concept — people feel obligated to return a favour when someone does something nice for them. Marketers use this constantly: free samples, free trials, small gifts before a sales pitch.
2 Matching Action With Action (Noun) Common ▼
This meaning is about one side responding in the same way the other acted — whether positively or negatively. Imagine two countries agreeing to let each other's citizens travel without a visa — that's reciprocity in diplomacy: you open your doors because the other side opened theirs. This is describing a principle where actions are mirrored. You might hear "the trade deal was based on reciprocity" to mean both countries offered the same level of access to their markets, or someone could say "reciprocity demands that if they impose tariffs, we respond with our own" to describe matching a negative action. Or think about workplace culture — if your employer trusts you with flexible hours, you work harder in return because the reciprocity feels natural. The word works for both positive and negative exchanges.
✏️ In international relations and trade, reciprocity is a core principle — agreements are built on the idea that both sides give and get equally. Reciprocal agreements between countries cover trade, visa access, and legal cooperation. The word also appears in academic and scientific writing — in biology, reciprocal altruism describes animals helping each other with the expectation of future return.
Common Patterns
Basic Structures
based on reciprocity → built on the principle that both sides give and receive equally
The partnership was based on reciprocity — both companies shared resources and expertise.
the principle of reciprocity → the idea that actions should be met with equivalent responses
The principle of reciprocity is central to most trade agreements between nations.
a sense of reciprocity → a feeling that exchange should be fair and balanced
Good friendships rely on a sense of reciprocity — it can't be one-sided.
Common Structures
reciprocity between + noun → mutual exchange between two parties
There needs to be genuine reciprocity between employer and employee for trust to develop.
lack of reciprocity → an imbalance where one side gives and the other doesn't return it
The lack of reciprocity in the relationship eventually drove them apart.
reciprocal + noun (agreement / arrangement / relationship) → the adjective form — describing something built on mutual exchange
The two universities signed a reciprocal agreement allowing students to study at either campus.
Collocations
10 collocationsprinciple of reciprocity
the core idea that actions should be matched with equivalent responses
based on reciprocity
built on the expectation of mutual and equal exchange
lack of reciprocity
an imbalance where giving is not returned
mutual reciprocity
two-way exchange where both sides benefit equally
reciprocal agreement
a deal where both parties offer the same benefits to each other
reciprocal relationship
a connection where both sides give and receive in balance
reciprocate a favour
to return a kind act with an equally kind response
reciprocity in trade
the practice of offering equal market access between countries
sense of reciprocity
an instinct or feeling that exchange should be balanced
demand reciprocity
to insist that the other side matches your actions or offers equally
Example Sentences
10 examples
1
Healthy relationships are built on reciprocity — both people need to give, not just one.
For a relationship to work, both sides need to invest effort — it can't be one-directional.
2
The trade agreement was designed around the principle of reciprocity — equal access for both markets.
The deal was structured so that both countries offered the same level of market access to each other.
3
She always helped her colleagues, but the lack of reciprocity eventually frustrated her.
She was always there for her coworkers, but the fact that nobody returned the favour wore her down.
4
The two countries have a reciprocal visa arrangement — citizens of either can travel freely.
Both nations allow each other's citizens to visit without a visa under a mutual agreement.
5
In psychology, reciprocity explains why people feel obligated to return a favour.
Psychologists use this concept to explain the natural urge to give back when someone does something nice for you.
6
He never reciprocated her kindness, and eventually she stopped trying.
He never returned the generosity she showed him, and in the end she gave up.
7
The partnership works because there's genuine reciprocity — both sides bring something valuable.
The collaboration succeeds because each party contributes something meaningful to the other.
8
Diplomacy without reciprocity is just one country making concessions while the other gains.
If only one side compromises in negotiations, it's not diplomacy — it's surrender.
9
Marketers use the principle of reciprocity by offering free samples before asking for a sale.
Sales teams give away small freebies because people naturally feel they owe something in return.
10
The university has reciprocal exchange programmes with institutions in twelve countries.
The university and its partner institutions in twelve countries send students to each other's campuses.
Synonyms & Antonyms
6 items
Synonymsmutual exchange
a plain English equivalent — less formal and more immediately understandable
give-and-take
informal — describes the same back-and-forth balance in everyday language
mutuality
formal and close in meaning — emphasises the shared nature of the exchange
Antonymsone-sidedness
an imbalance where only one party gives or benefits
exploitation
one side taking advantage of the other without giving anything back
ingratitude
failing to acknowledge or return kindness received — the emotional opposite of reciprocity