devastate

[1]	lay waste , lay waste to , ravage , destroy , waste , sack , scourge , raze , ruin , desolate , spoil , wreck , demolish , level , flatten , gut , obliterate
[2]	disconcert , confound , discomfit , take aback , nonplus , shatter , overwhelm , abash , shock , humiliate , mortify , embarrass , chagrin , (Colloq) floor , (US) discombobulate