1. lacking a sense of humor; unable to appreciate or express humor

Examples

• The humorless professor never smiled at students’ jokes.
• His humorless response to the prank surprised everyone.
• She found her boss to be completely humorless and difficult to work with.
• The humorless critic dismissed the comedy as frivolous.
• Despite his friends’ attempts at humor, he remained humorless throughout dinner.
• The humorless atmosphere in the office made everyone uncomfortable.