Related Clues:

• Unwanted guest, maybe
• Official gemstone of Alaska
• Gem for carving
• Tidal wave
• Put to sleep, so to speak
• Tedious fellow
• One causing ennui
• Drill holes
• Make weary by being dull
• Yawn producer, perhaps
• Easily carved gem
• Make weary
• Yawn-inducing speaker, e.g.
• Dull person
• Tidal flood