American English

Definition of feed on/off phrasal verb from the Oxford Advanced American Dictionary

 

feed on/off

 phrasal verb
phrasal verb
 
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Phrasal Verbs

    feed on/off something

     
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  1. 1(of an animal) to eat something Butterflies feed on the flowers of garden plants.
  2. 2(often disapproving) to become stronger because of something else Racism feeds on fear. He feeds off the work and reputation of others.