eat up

You can use the phrase eat up any time you’re talking about something — or someone — who uses up or consumes resources, especially at a rapid pace.

You might decide to buy a gas-electric hybrid car if you prefer a vehicle that doesn’t eat up gasoline. Airplanes also eat up fuel, and an expensive hobby like skiing can quickly eat up all of your savings if you’re not careful. Eat up can literally mean “eat everything” as well, like when your grandmother sings out, “Eat up!” as she serves you a big plate of her famous broccoli casserole.

Definitions of eat up
  1. verb

    use up (resources or materials)

    consume, deplete, eat, exhaust, run through, use up, wipe out

    occupy, take, use up

    require (time or space)
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    run out

    exhaust the supply of

    deplete of resources
    indulge, luxuriate

    enjoy to excess
    burn, burn off, burn up

    use up (energy)

    spend completely
    exhaust, play out, run down, sap, tire


    indulge (one’s appetite) to satiety

    spend more than available of (a budget)

    spend less than the whole of (a budget, for example)
    type of:

    drop, expend, spend

    pay out

  2. verb

    finish eating all the food on one’s plate or on the table

    finish, polish off
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    put away, tuck away, tuck in

    eat up; usually refers to a considerable quantity of food
    type of:


    take in solid food

  3. verb

    enclose or envelop completely, as if by swallowing

    bury, immerse, swallow, swallow up
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    type of:

    close in, enclose, inclose, shut in

    surround completely

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