/ Dictionary / Index T tree-hugger: Meaning and Definition of Find definitions for: tree-hug•ger Pronunciation: (trē'hug"ur), [key] an environmentalist, esp. one concerned with preserving forests. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tree-hugger (Thesaurus) tree house tree hyrax Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language