We found one dictionary that defines the word keep him at arm's length:

General (1 matching dictionary)

1. Keep Him At Arm's Length: A to Z list of the most popular idioms

▸ Words similar to keep him at arm's length ▸ Usage examples for keep him at arm's length ▸ Idioms related to keep him at arm's length ▸ Wikipedia articles (New!) ▸ Words that often appear near keep him at arm's length ▸ Rhymes of keep him at arm's length ▸ Invented words related to keep him at arm's length