/ Dictionary / Index T theos.: Meaning and Definition of Find definitions for: theos. Pronunciation: [key] theosophical. theosophy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. theory of relativity Theosophical Society Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language