WordWeb Online

1. So surprisingly impressive as to stun or overwhelm
   "the amount of money required was staggering"; "suffered a staggering defeat"
   - astonishing, astounding, stupefying

1. Walk as if unable to control one's movements
   "The drunken man staggered into the room"
   - reel, keel, lurch, swag, careen
    
2. Walk with great difficulty
   "He staggered along in the heavy snow"
   - flounder
    
3. To arrange in a systematic order
   "stagger the chairs in the lecture hall"
   - distribute
    
4. Astound or overwhelm, as with shock
   "She was staggered with bills after she tried to rebuild her house following the earthquake"

See also: impressive, staggerer

Type of: arrange, overcome, overpower, overtake, overwhelm, set up, sweep over, walk, whelm [archaic]