The term SIGN OF BOREDOM can be represented by three crossword solutions: YAWN (4 letters), SNORE (5 letters), and DROOPINGEYELIDS (15 letters). Yawning is an involuntary reflex that occurs when a person is tired, bored, or stressed. Snoring is a sound made when a person is sleeping, and it can be a sign of boredom if the person is not actually tired. Drooping eyelids are a physical sign of fatigue, but they can also be a sign of boredom if the person is not actually tired.