1. (of childbirth) before the end of the normal period of gestation
   "the child was born prematurely" 
2. Too soon; in a premature manner
   "I spoke prematurely"
   - untimely

See also: premature

• primeval
• primidone
• primigravida
• priming
• priming coat
• primipara
• primiparous
• unstated
• unstatesmanlike
• unsteadily
• unsteadiness
• unsteady
• unstep
• unsterilised
• unsterilized
• unstick
• unstilted
• unstimulated
• unstimulating
• unstinted
• unstinting
• unstintingly
• unstirred
• unstop
• unstoppable