/ Dictionary / Index A antivivisectionist: Meaning and Definition of Find definitions for: an•ti•viv•i•sec•tion•ist Pronunciation: (an"tē-viv"u-sek'shu-nist, an"tī-), [key] — n. a person who opposes vivisection. —adj. of, pertaining to, or characteristic of antivivisectionists or their policies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antivitamin antiwhite Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language