shrinking violet (noun)

1. During World War II, many shrinking violets were drafted into the military and had to overcome their shyness to fight for their country.

2. In the movie 'The Perks of Being a Wallflower', the main character, Charlie, starts off as a shrinking violet but gradually becomes more outgoing and forms friendships.

3. In the comic book series 'Archie', Archie's friend, Jughead, is portrayed as a shrinking violet who prefers solitude and avoids social situations.

4. Sarah was a shrinking violet when it came to dating, often hesitating to approach potential partners due to her shyness.