To keep at arm's length

Also found in: Idioms.
Related to To keep at arm's length: hold at arm's length
to keep at a distance (literally or figuratively); not to allow to come into close contact or familiar intercourse.
- Tennyson.
See under Arm, n.

See also: Arm, Keep

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
"Father," said Young Jerry, as they walked along: taking care to keep at arm's length and to have the stool well between them: "what's a Resurrection-Man?"
She signs up for Tinder and within minutes she's swiping and meeting up with prospective new suitors - all of whom she's determined to keep at arm's length.
Depending on your security settings, people and organisations you might want to keep at arm's length can use it to get information about you too.