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

v 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

v finish eating all the food on one's plate or on the table

finish, polish off
put away, tuck away, tuck in
eat up; usually refers to a considerable quantity of food
Type of:
take in solid food

v enclose or envelop completely, as if by swallowing

bury, immerse, swallow, swallow up
Type of:
close in, enclose, inclose, shut in
surround completely

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