Meaning of the word "long held" in English

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

long held

US /ˈlɔŋ hɛld/
UK /ˈlɒŋ hɛld/

Adjective

having existed or been believed for a long time

Example:
The company's long-held traditions are still respected today.
It was a long-held belief that the earth was flat.