verb (used with object), con·sumed, con·sum·ing.

  1. to destroy or expend by use; use up.
  2. to eat or drink up; devour.
  3. to destroy, as by decomposition or burning: Fire consumed the forest.
  4. to spend (money, time, etc.) wastefully.
  5. to absorb; engross: consumed with curiosity.

verb (used without object), con·sumed, con·sum·ing.

  1. to undergo destruction; waste away.
  2. to use or use up consumer goods.


  1. (tr) to eat or drink
  2. (tr; often passive) to engross or obsess
  3. (tr) to use up; expendmy car consumes little oil
  4. to destroy or be destroyed by burning, decomposition, etcfire consumed the forest
  5. (tr) to waste or squanderthe time consumed on that project was excessive
  6. (passive) to waste away

v.late 14c., from Old French consumer “to consume” (12c.) and directly from Latin consumere “to use up, eat, waste,” from com-, intensive prefix (see com-), + sumere “to take,” from sub- “under” + emere “to buy, take” (see exempt (adj.)).

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