Noun: sickener
- Something that sickens
"The gruesome scene in the horror movie was a real sickener for some viewers"
- A small bright-red and poisonous toadstool, Russula emetica
"Foragers should be careful to avoid the sickener mushroom when collecting wild fungi"
Derived forms: sickeners
Type of: genus Russula, Russula
Encyclopedia: Sickener