Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun riffraff
1 sense of riffraff
Sense 1
rabble, riffraff, ragtag, ragtag and bobtail -- (disparaging terms for the common people)
=> folk, folks, common people -- (people in general (often used in the plural); "they're just country folk"; "folks around here drink moonshine"; "the common people determine the group character and preserve its customs from one generation to the next")