1. In a humorless manner
   "he reacted rather humorlessly to these rumors"
   - humourlessly [Brit, Cdn]

See also: humorless [US]

Antonym: humorously

• discombobulate
• discombobulated
• discombobulation
• discomfit
• discomfited
• discomfiture
• discomfort
• discommend
• discommode
• discompose
• discomposed
• discomposure
• discomycete
• Discomycetes
• discomycetous
• disconcert
• disconcerted
• disconcerting
• disconcertingly
• disconcertion
• disconcertment
• disconfirming
• disconformity
• disconnect
• disconnected