Related Clues:

• Sign of show boredom
• One may be suppressed in class
• Fail to stifle one's boredom
• Boring lecture, for example
• Norse novel - that might keep you awake all night
• Tedious doings
• ''Ho-hum!''
• [Bo-ring!]
• Foment unrest, in a way?
• Needing Bengay, say
• Jaw-dropping opening?
• Annoyance from a bunkmate
• Boredom-betraying sound
• (I'm bored)
• Yachtswoman has no stomach for sign of boredom