Definitions

1. adjective

lacking in style or glamour, especially in a way that is perceived as unattractive or uninteresting

“She looked unfabulous in that outdated outfit.”

2. noun

a person or thing that is considered unattractive or uninteresting

“The unfabulous girl in her awkward phase was struggling to fit in.”

3. verb

to make someone or something seem unattractive or uninteresting

“The unflattering lighting made her look unfabulous in the photos.”