Definitions

1. noun

a sweet, fortified wine used as a base for cocktails, especially those containing a martini

“She ordered a dry martini made with gin and vermouth.”

2. verb

to treat or flavor something with vermouth

“The chef vermouthed the salad with a dash of herbs.”

3. adjective

relating to or flavored with vermouth

“The vermouth-based sauce added a unique flavor to the dish.”