adj. monetary; related to money
He admitted obtaining a pecuniary advantage via deception.
A glass of warm milk at night can have a soporific effect.
n. emotionlessness; calm person
When the plane hit some turbulence, the pilot's stolidity keep the passengers from panicking.
n. state of physical or mental inactivity
The musician was so late to the concert that a general torpor settled over the audience.
adj. playful; impulsive
Deciding to dye her hair the color of cotton candy was one of Jane's whimsical acts.