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

See also: humorless [US]

Antonym: humorously

• airtime
• airwave
• airway
• airwoman
• airworthiness
• airworthy
• airy
• airy-fairy
• aisle
• ait
• aitch
• aitchbone
• Aix
• Aix galericulata
• Aix sponsa
• Aix-la-Chapelle
• Aizoaceae
• Ajaia
• Ajaia ajaja
• ajar
• Ajax
• Ajuga
• Ajuga chamaepitys
• Ajuga genevensis
• Ajuga pyramidalis