Arms-length
Meaning
Maintaining a healthy distance, usually to avoid conflict.
Usage
Used when formal boundaries are needed.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Physical distance of arm's length to avoid touching.
Used in law and finance to describe impartial relationships.