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

See also: disconcerting

• conga line
• congeal
• congealed
• congealment
• congee
• congelation
• congenator
• congener
• congeneric
• congenerical
• congenerous
• congenial
• congeniality
• congenially
• congenialness
• congenital
• congenital abnormality
• congenital afibrinogenemia
• congenital anomaly
• congenital defect
• congenital disease
• congenital disorder
• congenital heart defect
• congenital megacolon
• congenital pancytopenia