Dictionary & Thesaurus

rehash

1.	(verb) go over once again
	Synonyms: hash over
	Related Words: brush up, refresh, review

2.	(verb) present or use over, with no or few changes
	Related Words: recycle, reprocess, reuse

3.	(noun) old material that is slightly reworked and used again; "merely a dull rehash of his first novel"
	Related Words: material

4.	(verb) go back over; "retrograde arguments"
	Synonyms: retrograde
	Related Words: recap, recapitulate