1. Concealing under a false appearance with the intent to deceive
   "dissimulative arts"

See also: dissimulate, insincere

• understated
• understatement
• understock
• understood
• understrength
• understructure
• understudy
• undersurface
• undertake
• undertaker
• undertaking
• underthings
• undertide
• undertone
• undertow
• undervaluation
• undervalue
• undervest
• underwater
• underwater archaeology
• underwater archeology
• underwater diver
• underway
• underwear
• underweight