Definition of liaison in English:



  • 1Communication or cooperation which facilitates a close working relationship between people or organizations.

    ‘the head porter works in close liaison with the reception office’
    • ‘Stimulants should be prescribed judiciously and monitored carefully by specialists in close liaison with primary care physicians.’
    • ‘The party also proposes closer liaison with local governments and private organizations to help refugees.’
    • ‘The police have to work a good deal harder to develop closer liaison with the transport providers.’
    • ‘There is also close liaison with the school's reception class.’
    • ‘Management of toxicities in the community requires close liaison with the hospital team, and severe toxicity requires immediate admission.’
    • ‘This has been done through close liaison with many local and national bodies.’
    • ‘Nursing support and close liaison with the general practitioner and education and social services are necessary.’
    • ‘It is also our intention to work in closer liaison with the fans and the local authority.’
    • ‘After many phone calls between the ship and the UK, along with close liaison with the contractor support team, a new engine was shipped out.’
    • ‘FBI field offices with these types of schools in their area should establish appropriate liaison.’
    • ‘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.’
    • ‘The university is in close liaison with the police and a formal complaint has been laid with the Commercial Investigation Branch.’
    • ‘This preliminary experience suggests that, despite close liaison with the primary care group, the referral process will take time to be adopted and implemented.’
    • ‘Our audit illustrates why we must consider non-attendance within the wider social context and the importance of close liaison with social services.’
    • ‘A spokesman for Essex Health Authority said it had been in close liaison with the school and was helping it to pass on advice to parents on how to spot meningitis.’
    • ‘On the contrary, ‘lobbying’ must be applied vigorously in close liaison with constituent social movements.’
    • ‘There has been a great deal of liaison with the local community and with the peaceful groups who wanted to demonstrate.’
    • ‘Saunas, white-water rafting and a very close liaison with the local military combined to make this a most successful visit.’
    • ‘We think that educational sessions for small groups of family doctors and close liaison with psychiatric colleagues can greatly improve the recognition of depression and the care of people with depression.’
    • ‘The Department of Agriculture will continue to maintain close liaison with the Northern Ireland authorities.’
    cooperation, contact, association, connection, collaboration
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    1. 1.1[count noun]A person who acts as a link to assist communication or cooperation between people.
      ‘he's our liaison with a number of interested parties’
      • ‘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.’
      • ‘If you want to interview someone in particular, see if a media liaison can arrange it for you.’
      • ‘I'm a liaison between the scientific community and the public.’
      • ‘Keith has been in Bulgaria since April working as a liaison of the American Bar Association.’
      • ‘To assist them, they hired an Italian liaison who lives in Italy and speaks fluent Italian.’
      • ‘Second, when outside assistance is sought, family members frequently serve as liaisons between elderly relatives and health care systems.’
      • ‘This dual responsibility helps them to be effective communicators, serving as liaisons between software engineers and the user community.’
      • ‘As health care professionals, we must see ourselves as social activists and community liaisons.’
      • ‘When not covering specific cases, the team of six officers act as police liaisons with both the hip-hop world and detectives covering a similar beat in California and Florida.’
      • ‘The media liaisons are there to ensure that the press has something to write about.’
      • ‘Advisers serve advisees as advocates, guides, group leaders, community builders, liaisons with parents, and evaluation coordinators.’
      intermediary, mediator, middleman, contact, contact man, contact person, contact woman, link, linkman, linkwoman, linkperson, go-between, representative, agent, interceder, factor
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    2. 1.2[count noun]A sexual relationship, especially one that is secret or illicit.
      ‘she abandoned her loyalty to her absent husband in favour of a sexual liaison with William’
      • ‘His tie to her will last longer than most adulterous liaisons.’
      • ‘In 1613, she was accused of having a sexual liaison with a neighbour and to clear her name, went to the Church Court.’
      • ‘The idea of a liaison with such an older man seemed to hold a fascination which they often discussed among themselves.’
      • ‘Their liaisons are unlikely to lead to anything permanent - they're just having a good time.’
      • ‘Isn't that one of the primary reasons for engaging in an illicit liaison in the first place?’
      • ‘Imagine if we held America accountable for every secret liaison its agents have ever made.’
      • ‘For most modern readers, the idea that Isabel is intending an eventual extra-marital liaison is grotesque.’
      • ‘In some traditional stories, the temple fair was even a place for romantic liaisons.’
      • ‘Seductive women pursue sexual liaisons, as well - they just employ different tactics.’
      • ‘Despite his unpleasant personality, he was remarkably successful at this, although these liaisons rarely lasted beyond a single night.’
      • ‘Above and below, divisions blur and the long-established equilibrium is knocked off balance amid revelations of illicit sexual liaisons and dubious business dealings.’
      • ‘The protagonist of this novel, married young to a much older man, embarks on an adulterous liaison with one of his friends.’
      • ‘In fact, she rents an apartment so they can conduct their liaison without being disturbed.’
      • ‘In desperation, she entered warily into a sexual liaison with an army captain, who offered some promise of economic stability.’
      • ‘A couple of slaps later they were advised to be careful in their romantic liaisons.’
      love affair, affair, relationship, romance, attachment, fling, intrigue, amour, affair of the heart, involvement, amorous entanglement, romantic entanglement, entanglement
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  • 2The binding or thickening agent of a sauce, often based on egg yolks.

    • ‘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.’
  • 3Phonetics
    (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.

    • ‘Perhaps, in the final analysis, French liaison and linking in English may not be so different after all.’
    1. 3.1Introduction of a consonant between a word that ends in a vowel and another that begins with a vowel, as in English law and order.


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