Related Clues:

• Slight depression, with "the"
• Ennui, with "the"
• ''The only horrible thing in the world is __'': Wilde
• Ennui, to do with onset of depression in period of success?
• Listless boredom
• Strangely in tune, but out of time, which is boring
• Nice word the English use for boredom
• A sister that is suffering from boredom?
• Boredom I got by middle of tunnel on the way back
• Boredom English start to notice on endless night in Calais
• Boredom encountered in endless night in Paris
• Lassitude, boredom
• Unvarying tedium
• Boredom, weariness
• Listlessness seen in Turin? It's oddly lacking