1. Having a stiff back
   "the guards stood stiff-backed and unsmiling"

See also: backed

• understaffed
• understand
• understandability
• understandable
• understandably
• understanding
• understandingly
• understate
• understated
• understatement
• understock
• understood
• understrength
• understructure
• understudy
• undersurface
• undertake
• undertaker
• undertaking
• underthings
• undertide
• undertone
• undertow
• undervaluation
• undervalue