scummy

Everyday

1. Scummy means covered with scum, a dirty layer floating on liquid. tree →
2. (slang, rude) Scummy means nasty, dirty or dishonest. tree →

In the lessons

In science and everyday life: a scummy pond, a scummy bath ring. In rough talk: «a scummy trick». Phrases: «scummy water», «a scummy thing to do».

Examples

• The pond was green and scummy. tree →
• Don't drink that scummy water. tree →
• There's a scummy ring around the bath. tree →
• (slang) Taking his lunch was a scummy thing to do. tree →
• (slang) He's a scummy little liar. tree →

Note

From «scum» + y (double m). The second meaning is rude slang.