1. Through the unbroken skin; refers to medications applied directly to the skin (creams or ointments) or in time-release forms (skin patches)
   - transdermal, percutaneous, transcutaneous

See also: dermis

• underachievement
• underachiever
• underact
• underactive
• underage
• underarm
• underbelly
• underbid
• underbodice
• underbody
• underboss
• underbred
• underbrush
• undercarriage
• undercharge
• underclass
• underclassman
• underclothed
• underclothes
• underclothing
• undercoat
• undercoated
• undercook
• undercover
• undercover agent