/ Dictionary / Index D deportment: Meaning and Definition of Find definitions for: de•port•ment Pronunciation: (di-pôrt'munt, -pōrt'-), [key] — n. demeanor; conduct; behavior. the conduct or obedience of a child in school, as graded by a teacher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deportment (Thesaurus) deportation deposal Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language