/ Dictionary / Index A ameliorate: Meaning and Definition of Find definitions for: a•mel•io•rate Pronunciation: (u-mēl'yu-rāt", u-mē'lē-u-), [key] — -rat•ed, -rat•ing. to make or become better, more bearable, or more satisfactory; improve; meliorate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ameliorate (Thesaurus) amelia amelioration Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language