Causing boredom or tiredness; making you to feel tired and impatient.
Capable of penetrating; piercing.
Used, designed to be used, or able to drill holes.
Suffering from boredom; mildly annoyed and restless through having nothing to do.
Fragment thrown up when something is bored or drilled.
A pit or hole which has been bored.
That induces sleep.
Any sleep-inducing drug.