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

See also: disconcerting

• asper
• Asperger's syndrome
• asperges
• aspergill
• Aspergillaceae
• Aspergillales
• aspergillosis
• aspergillum
• Aspergillus
• Aspergillus fumigatus
• Aspergillus niger
• asperity
• asperse
• aspersion
• aspersorium
• Asperula
• Asperula odorata
• Asperula tinctoria
• asphalt
• asphaltic
• aspheric
• aspherical
• asphodel
• Asphodelaceae
• Asphodeline