1. Kept occupied or engaged
   "she's tied up at the moment and can't see you"; "the phone was tied up for almost an hour"

See also: busy

• historiography
• history
• history department
• history lesson
• history-sheeter
• histrion
• histrionic
• histrionically
• histrionics
• hit
• hit home
• hit it off
• hit it up
• hit list
• hit on
• hit out
• hit parade
• hit squad
• hit the books
• hit the ceiling
• hit the deck
• hit the dirt
• hit the hay
• hit the jackpot
• hit the roof