The relationship between Semiotics and Communication was founded on a degree of mutual misunderstanding. Semiotics latched on to the linear model of communication and communication saw semiotics as an overly closed system based on a conception of the signifier as all-powerful. Both dictionaries and introductory works on the subject bear the influences of this original misunderstanding but also show how it was overcome, thus making possible this enriching interdisciplinary approach.Les relations entre sémiotique et communication partent d'un malentendu quand, dès les années 1960, la sémiotique se fige sur le schéma linéaire de la communication et, qu'en retour, la communication voit dans la sémiotique un système trop fermé sous l'autorité...