symptom (n.)

a sign of illness

Examples

• A common symptom is fever.

Key rules

• A symptom is a sign of an illness
• Symptoms include, common symptoms, mild symptoms
• Symptom is countable

Common mistakes

• A symptom of illness is common → A common symptom is fever
• The symptoms is fever → The symptom is fever

Use cases

• Describing illness
• Medical advice
• Health information