Meaning of the word "rule the roost" in English

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

rule the roost

US /ruːl ðə ruːst/
UK /ruːl ðə ruːst/
"rule the roost" picture

Idiom

1.

to be in charge, to be the dominant person or group in a situation

Example:
In their household, it's clear that the grandmother rules the roost.
The new manager quickly established himself and now rules the roost in the department.
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