Meaning of the word groundless in English

What does groundless mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

groundless

US /ˈɡraʊnd.ləs/
UK /ˈɡraʊnd.ləs/

Adjective

having no basis in fact; without reason or justification

Example:
Her fears were completely groundless.
The accusations proved to be groundless.