1. any of a group of organisms (such as molds, mildews, and mushrooms) that lack chlorophyll and reproduce by spores
Usage: plural: fungi or funguses; common in biology and everyday contexts
2. a disease or infection caused by a fungus
Usage: medical/health context

Examples

• The bread developed a blue fungus after sitting in the cupboard for weeks.
• Mushrooms are a type of fungus that grows in damp environments.
• She applied antifungal cream to treat the fungus on her skin.
• The scientist studied how fungus breaks down dead wood in the forest.
• Athlete's foot is a common fungus that affects many people.
• Mold is a fungus that can grow on walls if there is too much moisture.