" annihilatory "

1: causing or tending to cause destruction;

  * e.g., " ... the annihilatory power of atomic bombs "

•  Synonyms : 

•  calamitous,

•  cataclysmal,

•  destructive,

•  devastating,

•  devastative,

•  disastrous,

•  ruinous

•  Antonyms : 

•  nondestructive

1: to destroy all traces of;

  * e.g., " ... the family's attempts to annihilate the roach population in their apartment had met with little success "

•  Synonyms : 

•  abolish,

•  black out,

•  blot out,

•  cancel,

•  clean (up),

•  efface,

•  eradicate,

•  erase,

•  expunge,

•  exterminate,

•  extirpate,

•  liquidate,

•  obliterate,

•  root (out),

•  rub out,

•  snuff (out),

•  stamp (out),

•  sweep (away),

•  wipe out

•  Antonyms : 

•  build,

•  construct,

•  erect,

•  put up,

•  raise,

•  rear,

•  set up

2: to bring to a complete end the physical soundness, existence, or usefulness of;

  * e.g., " ... the tornado simply annihilated the family's home "

•  Synonyms : 

•  cream,

•  decimate,

•  demolish,

•  desolate,

•  destroy,

•  devastate,

•  do in,

•  extinguish,

•  nuke,

•  pull down,

•  pulverize,

•  raze,

•  rub out,

•  ruin,

•  shatter,

•  smash,

•  tear down,

•  total,

•  vaporize,

•  waste,

•  wrack,

•  wreck

•  Antonyms : 

• (N/A)

3: to defeat by a large margin;

  * e.g., " ... we didn't just win; we absolutely annihilated them! "

•  Synonyms : 

•  blow away,

•  bomb,

•  bury,

•  clobber,

•  cream,

•  drub,

•  dust,

•  flatten,

•  paste,

•  rout,

•  shellac,

•  skin,

•  skunk,

•  smoke,

•  smother,

•  snow under,

•  thrash,

•  trim,

•  tromp,

•  trounce,

•  wallop,

•  wax,

•  whip,

•  whomp,

•  whop,

•  whup

•  Antonyms : 

• (N/A)