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noun C1 Advanced Uncommon

liaison

lee-AY-zo

Liaison (noun) means a person who acts as a link between two groups, passing information back and forth. Example: “She was appointed as the liaison between the police and the community.”

noun
1
A person who acts as a link between two groups, passing information back and forth.
"She was appointed as the liaison between the police and the community."
"The company hired a liaison to coordinate with foreign investors."
2
Communication and cooperation between two parties or organizations.
"Close liaison between the two teams kept the launch on schedule."
3
A secret or illicit romantic relationship.
"Rumors of a liaison between the two executives spread through the office."

How to Use Liaison

Learner’s notes

In plain EnglishEither a go-between who connects two groups, or (less formally) a secret romantic affair.

Common mistake

Commonly misspelled — remember the "ai" comes before the second "i": l-i-a-i-s-o-n.

Common pairings
liaison officer act as a liaison a secret liaison

Word Forms

liaisoned past tense, liaisons plural, liaisons singular

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Test yourself on “liaison” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

She was appointed as the _____ between the police and the community.

Etymology

From French liaison ("binding"), from Latin ligare ("to bind").

Origin: Latin

Related Words

Rhymes for liaison

See all rhymes for liaison →

Frequently Asked Questions

What does “liaison” mean?

The word “liaison” means a person who acts as a link between two groups, passing information back and forth. In plain terms, either a go-between who connects two groups, or (less formally) a secret romantic affair.

How do you pronounce “liaison”?

“Liaison” is pronounced lee-AY-zo (/liˈeɪˌzɑn/ in IPA).

How do you use “liaison” in a sentence?

Here is “liaison” used in a sentence: “She was appointed as the liaison between the police and the community.”

What part of speech is “liaison”?

“Liaison” is a noun.

Where does the word “liaison” come from?

The word “liaison” comes from Latin. From French liaison ("binding"), from Latin ligare ("to bind").

Is “liaison” a common word?

“Liaison” is an uncommon word in modern English, usually learned at around the C1 level.

How many meanings does “liaison” have?

“Liaison” has 3 distinct senses listed in this dictionary. The most common is: a person who acts as a link between two groups, passing information back and forth.

What is the difference between a liaison and a contact?

A contact is simply a known person one can reach out to, while a liaison has an active role in maintaining ongoing communication and cooperation between two groups or organizations. A liaison's job is specifically to coordinate information flow, not just to be known to both sides.

What does a liaison officer do?

A liaison officer acts as a formal link between two organizations, such as a police department and a community group, passing information back and forth and coordinating cooperation between them.

Can liaison refer to a romantic relationship?

Yes, liaison can also refer to a secret or illicit romantic relationship, a usage distinct from its more common meaning of formal communication between two parties. Context usually makes clear which sense is intended.

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