any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
marked by courage and determination in the face of difficulties or danger; robust and uninhibited; "you have to admire her; it was a gutsy thing to do"; "the gutsy...intensity of her musical involvement"-Judith Crist; "a gutsy red wine"
deep and harsh sounding as if from shouting or illness or emotion; "gruff voices"; "the dog's gruff barking"; "hoarse cries"; "makes all the instruments sound powerful but husky"- Virgil Thomson
lacking enlightenment or knowledge or culture; "this benighted country"; "benighted ages of barbarism and superstition"; "the dark ages"; "a dark age in the history of education"
overtaken by night or darkness; "benighted (or nighted) travelers hurrying toward home"