1. Performing an essential function in the living body
   - vital

See also: essential

• trance
• trancelike
• tranche
• Trandate
• trandolapril
• trannie
• tranny
• tranquil
• tranquility
• tranquilize
• tranquilizer
• tranquilizing
• tranquillise
• tranquilliser
• tranquillising
• tranquillity
• tranquillize
• tranquillizer
• tranquillizing
• tranquilly
• trans fat
• trans fatty acid
• trans-
• trans-Alaska pipeline
• transact