1. (v. t.) To destroy completely; to reduce to nothing or nonexistence\; to destroy the existence of; to cause to cease to be.

2. (v. t.) To destroy the form or peculiar distinctive properties of, so that the specific thing no longer exists; as, to annihilate a forest by cutting down the trees.

3. (v. t.) To destroy or eradicate, as a property or attribute of a thing; to make of no effect; to destroy the force, etc., of; as, to annihilate an argument, law, rights, goodness.

4. (a.) Annihilated.

abate abolish abrogate abscind amputate annul ban bar bereave of life blot out bob bring to naught cancel carry away carry off chloroform clip crop cull cut cut away cut down cut off cut out decimate demolish deprive of life deracinate destroy dispatch dispose of do away with do for do to death dock efface eliminate end enucleate eradicate erase except excise exclude execute expunge exterminate extinguish extirpate finish finish off immolate invalidate isolate kill knock off launch into eternity liquidate lop lynch make away with martyr martyrize massacre murder mutilate negate negative nip nullify obliterate pare peel pick out poison prune purge put away put down put to death put to sleep quash quell quench raze remove remove from life repeal revoke root out root up rout ruin rule out sacrifice set apart set aside shave shear slay squash stamp out starve strike off strip strip off suppress sweep away take life take off take out truncate unbuild undo uproot vitiate void wipe out wrack wreck