The aim of the present study was to determine how The Relevance Theory (RT) could be a viable approach to determine the main functions of concessive Discourse Markers (DMs) in Arabic. In order to do just this, the researcher selected twenty two parliamentary speeches to be the data of the study. As for the machinery, a two-level analysis has been attempted. At the first level, the most frequent concessive DMs found in the study sample were analyzed in terms of the features most commonly attributed to DMs as stated by Schourup (1999), which are connectivity, optionality,...