Pronunciation IPA (key): /ʃrɛdə(r)/ Audio (US)(file) Noun Singular shredder Plural shredders A shredder is a machine that tears up objects into smaller pieces. (computing) A shredder is a program that overwrites deleted data to prevent recovery. (music) A shredder is a person who plays the guitar very quickly.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads