1. In a disturbing or embarrassing manner
   "he drank some sherry, his eyes disconcertingly keen as he watched her"
   - unnervingly

See also: disconcerting

• probiotic
• probiotic bacterium
• probiotic flora
• probiotic microflora
• probity
• problem
• problem solver
• problem solving
• problem-oriented language
• problematic
• problematical
• problematically
• problematise
• problematize
• problemo
• Proboscidea
• Proboscidea arenaria
• Proboscidea fragrans
• Proboscidea louisianica
• proboscidean
• proboscidian
• proboscis
• proboscis flower
• proboscis monkey
• proboscis worm