/ Dictionary / Index N nudism: Meaning and Definition of Find definitions for: nud•ism Pronunciation: (n'diz-um, ny'-), [key] — n. the practice of going nude, esp. in places that allow sexually mixed groups, in the belief that such practice benefits health. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nudism (Thesaurus) nudie nudity Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language