Tranquility: calmness, peacefulness; The teacher wanted tranquility after a tiring day.

Squandering: wasting; Working on something else than the project is squandering time.

Douse: soak; The rain doused the clothing on the dry rack.

Imbecile: an idiot, someone stupid; Only an imbecile would set gasoline on fire.

Somnambulist: a sleepwalker; The somnambulist walked freely around the house at night.