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1. Wreaking or capable of wreaking complete destruction
   "possessing annihilating power";
   - annihilative, devastating, apocalyptic
    
2. Sharply critical or damaging
   "afire with annihilating invective";
   - devastating, withering

1. Kill in large numbers
   "the plague annihilated an entire population";
   - eliminate, extinguish, eradicate, wipe out, decimate, carry off

See also: destructive, disrespectful

Type of: kill

Encyclopedia: Annihilate