Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rehash
1 sense of rehash
Sense 1
rehash -- (old material that is slightly reworked and used again; "merely a dull rehash of his first novel")
=> material -- (information (data or ideas or observations) that can be used or reworked into a finished form; "the archives provided rich material for a definitive biography")
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb rehash
2 senses of rehash
Sense 1
rehash -- (present or use over, with no or few changes)
=> recycle, reprocess, reuse -- (use again after processing; "We must recycle the cardboard boxes")
Sense 2
retrograde, rehash, hash over -- (go back over; "retrograde arguments")
=> recapitulate, recap -- (summarize briefly; "Let's recapitulate the main ideas")