Added 8 October 2026 ho-hum adjective Categories: Describing WordsObscure Words adjective ! Definition from WordNet 3.1, Princeton University. More about ho-hum at Wordnik → Where our words come from → So lacking in interest as to cause mental weariness. a boring evening with uninteresting people Related Words: uninterestingdulldeadeningtediouswearisometiresomeslowirksomeboringhacky Back to today's word