1. So lacking in interest as to cause mental weariness
   "a ho-hum speaker who couldn't capture their attention"
   - boring, deadening, dull, irksome, slow, tedious, tiresome, wearisome, unamusing, draggy

See also: uninteresting

Encyclopedia: Ho-hum

• megalithic
• megalithic structure
• megalo-
• Megalobatrachus
• Megalobatrachus maximus
• megaloblast
• megaloblastic
• megaloblastic anaemia
• megaloblastic anemia
• megalocardia
• megalocephaly
• megalocyte
• megalohepatia
• megalomania
• megalomaniac
• megalomaniacal
• megalomanic
• Megalonychidae
• megalopolis
• Megaloptera
• megalosaur
• Megalosauridae
• megalosaurus
• megaparsec
• megaphone