1. Of or relating to physiological processes; with respect to physiology
   "physiologically ready"; "physiologically addicted"

See also: physiological

• under the weather
• under wraps
• under-represent
• under-the-counter
• under-the-table
• underachieve
• underachievement
• underachiever
• underact
• underactive
• underage
• underarm
• underbelly
• underbid
• underbodice
• underbody
• underboss
• underbred
• underbrush
• undercarriage
• undercharge
• underclass
• underclassman
• underclothed
• underclothes