1. At some distance
   "keep someone at arm's length"

Encyclopedia: At arm's length

• uncurving
• uncus
• uncut
• undamaged
• undamped
• undatable
• undated
• undaunted
• undead
• undecagon
• undeceive
• undeceived
• undecided
• undecipherable
• undecipherably
• undeciphered
• undeclared
• undecomposable
• undecomposed
• undecorated
• undecylenic acid
• undedicated
• undefeated
• undefendable
• undefended