Synonyms of scum in English:

scum


See definition of scum

noun

1‘it is important that the scum on the surface is not disturbed’

SYNONYMS
film, layer, covering, froth, foam, suds, dross, dirt

2‘the glorious traditions of the Service meant nothing to scum like that’

SYNONYMS
despicable people, despicable person, rabble, riff-raff, refuse, garbage, trash, vermin, good-for-nothing, good-for-nothings, undesirable, undesirables, the lowest of the low, the dregs of society
British trog, trogs
informal dirt, dirty dog, dirty dogs, rat, rats, louse, louses, toad, toads, worm, worms, scumbag, scumbags, crud, cruds, cur, curs, no-good, no-goods
North American informal pond scum, scuzzball, scuzzballs, sleazeball, sleazeballs
archaic dastard, dastards