Thrown about in deluge (7)
I believe the answer is:
floored
'thrown' is the definition.
(thesaurus)
'about in deluge' is the wordplay.
'about' becomes 're' ('re' means regarding or about).
'in' indicates putting letters inside.
'deluge' becomes 'flood' (synonyms).
're' put inside 'flood' is 'FLOORED'.
(Other definitions for floored that I've seen before include "stumped" , "Greatly surprised" , "Completely confounded" , "Completely baffled" , "Threw" .)