/ Dictionary / Index H hardy ageratum: Meaning and Definition of Find definitions for: har'dy agera'tum Pronunciation: [key] the mistflower. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hardy Hardy-Weinberg law Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language