Definition: (noun) One leading a solitary or secluded life. Synonyms: recluse, troglodyte, hermit. Usage: Peter, a self-proclaimed solitudinarian, lives in a cabin deep in the woods, miles from his closest neighbor. Discuss
Definition: (noun) Coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis. Synonyms: fiber. Usage: Fruits and vegetables should be eaten every day to ensure that one gets enough roughage in his diet.