rehash

1.

/riˈhæʃ/

present or use again, with no or few changes

2.

/ˈriˌhæʃ/

old material that is slightly reworked and used again

Other forms: rehashed; rehashing; rehashes

When you rehash something, you use it again without altering or changing it much. Your favorite band's new album will be a disappointment if they just rehash all their old hits.

Sometimes movie sequels are great films in their own right, but often they simply rehash the storyline, characters, and jokes from the original. You can call a movie like this a rehash. Another way to rehash is to go over something again, rethinking or reconsidering it: "She just wants to rehash that argument, trying to figure out why her friend got so angry."

Definitions of rehash (/riˈhæʃ/)

1. verb

   present or use over, with no or few changes
   type of:

   recycle, reprocess, reuse

   use again after processing
2. verb

   go back over
   synonyms: hash over, retrograde

   type of:

   recap, recapitulate

   summarize briefly