Meaning of the word "at loggerheads" in English

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

at loggerheads

US /æt ˈlɔːɡərˌhɛdz/
UK /æt ˈlɒɡəˌhɛdz/

Idiom

in dispute or disagreement

Example:
The two departments have been at loggerheads over budget allocations for months.
The neighbors are constantly at loggerheads over their property line.