What does "age limit" mean?

A restriction placed on an activity based on the age of the participants; either lower or higher limit.

What is a synonym for "age limit"?

Common synonyms include: age inappropriate, age threshold.

noun

noun ·Rare ·Advanced level

Noun

1
A restriction placed on an activity based on the age of the participants; either lower or higher limit.
"The bar's age limit was 21, so we could not get in."
2
regulation establishing the maximum age for doing something or holding some position wordnet

"The bar's age limit was 21, so we could not get in."