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

• loved
• loved one
• Lovelace
• loveless
• loveliness
• Lovell
• lovelock
• lovelorn
• lovely
• lovemaking
• lover
• lover's knot
• loverlike
• loverly
• loveseat
• lovesick
• lovesickness
• lovesome
• lovey-dovey
• loving
• loving cup
• loving-kindness
• lovingly
• lovingness
• Lovoa