IPA: /ˈskʌmiər/
KK: /ˈskʌmiər/
More unpleasant or dirty than something else; often used to describe something that is morally low or disgusting.
The scummier parts of the river were filled with trash and pollution.
Comparative: scummier
Superlative: scummiest
Scummier → It is formed from "scum" (from Old English *scuma*, meaning froth or foam) and the comparative suffix "-ier" (meaning more). The word "scummier" describes something that has more scum or is more undesirable than something else.
Think of 'scum' as the unwanted froth or residue, and remember that 'scummier' means having more of that undesirable quality.