/ Dictionary / Index O overburdensome: Meaning and Definition of Find definitions for: o•ver•bur•den•some Pronunciation: (ō'vur-bûr'dn-sum), [key] — adj. excessively burdensome. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overburden overbuy Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language