Synonyms of liaison in English:


See definition of liaison


1‘the Bank of England works in very close liaison with the Treasury’


cooperation, contact, association, connection, collaboration

communication, interchange, affiliation, alliance, partnership, link, linkage, tie-up, hook-up

2‘Dave was my White House liaison and all-round troubleshooter’


intermediary, mediator, middleman, contact, contact man, contact person, contact woman, link, linkman, linkwoman, linkperson, go-between, representative, agent, interceder, factor

3‘she abandoned her loyalty to her absent husband in favour of a liaison with William’


love affair, affair, relationship, romance, attachment, fling, intrigue, amour, affair of the heart, involvement, amorous entanglement, romantic entanglement, entanglement

flirtation, dalliance

informal hanky-panky

British informal bit on the side, carry-on