Definitions

1. adjective

less attractive or less interesting

“This drabber outfit didn’t get many compliments.”

2. comparative

comparing one thing to another, being less

“She’s a drabber singer than her sister.”

3. noun

a person who is less attractive or less interesting

“He’s a bit of a drabber at parties.”

4. verb

to make or become less attractive

“The once vibrant city has drabber over time.”