Definition of liaison in English:

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Pronunciation: /ˈlēəˌzän/
Pronunciation: /lēˈāzän/


1Communication or cooperation that facilitates a close working relationship between people or organizations: the head porter works in close liaison with the reception office
More example sentences
  • Management of toxicities in the community requires close liaison with the hospital team, and severe toxicity requires immediate admission.
  • He said the Institute was putting in place a framework for the resolution of the problem and towards this end, it would work in close liaison with the residents, students, community leaders and the Gardai.
  • On the contrary, ‘lobbying’ must be applied vigorously in close liaison with constituent social movements.
1.1A person who acts as a link to assist communication or cooperation between groups of people: he’s our liaison with a number of interested parties
More example sentences
  • If you want to interview someone in particular, see if a media liaison can arrange it for you.
  • This eight-week program trains parents to be active participants and advocates in their children's education and to share these skills as community liaisons.
  • Advisers serve advisees as advocates, guides, group leaders, community builders, liaisons with parents, and evaluation coordinators.
intermediary, mediator, middleman, contact, link, connection, go-between, representative, agent
1.2A sexual relationship, especially one that is secret and involves unfaithfulness to a partner.
Example sentences
  • In desperation, she entered warily into a sexual liaison with an army captain, who offered some promise of economic stability.
  • In 1613, she was accused of having a sexual liaison with a neighbour and to clear her name, went to the Church Court.
  • Above and below, divisions blur and the long-established equilibrium is knocked off balance amid revelations of illicit sexual liaisons and dubious business dealings.
love affair, affair, relationship, romance, attachment, fling, amour, romantic entanglement, entanglement, tryst
informal hanky-panky, dirty weekend
2The binding or thickening agent of a sauce, often based on egg yolks.
Example sentences
  • A liaison of egg yolk and/or a little cream can be added at the end to enrich it and make it even more velvety.
3 Phonetics (In French and other languages) the sounding of a consonant that is normally silent at the end of a word because the next word begins with a vowel.
Example sentences
  • Perhaps, in the final analysis, French liaison and linking in English may not be so different after all.


Mid 17th century (as a culinary term): from French, from lier 'to bind'.

  • Originally a cookery term, liaison is from French lier ‘to bind’. The more general use of the word to mean ‘intimate connection’ or more specifically ‘sexual relationship’ dates from the early 19th century. The verb liaise, ‘communicate and cooperate’, was used from the 1920s as military slang formed from liaison.

Words that rhyme with liaison

blazon, brazen, emblazon, raisin

For editors and proofreaders

Syllabification: li·ai·son

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