armslength
adjectiveUK /ˌɑːmz ˈleŋθ/
US /ˌɑːrmz ˈleŋθ/
Keeping a safe distance from someone or something.
The two boats stayed at arm's length so they would not bump into each other.
OTHER MEANINGS
2. Done with someone who is not a close friend or family member, as in business.
The company made an arm's-length deal with the supplier.
3. As far as a person's arm can reach.
She held the painting at arm's length to look at it.
4. Keeping feelings or involvement limited.
He kept his new coworkers at arm's length until he knew them better.