Definitions

1. noun

a small amount or degree of something, especially something unpleasant or unwholesome

“She had a soupcon of doubt about the entire project.”

2. noun

a slight or faint feeling or perception of something

“He had a soupcon of fear as he walked into the dark room.”

3. noun

a small amount of something, especially a medicinal substance

“The doctor prescribed a soupcon of medicine to cure the patient.”