Idioms

Origin of eat

before 900; Middle English eten, Old English etan; cognate with German essen, Gothic itan, Latin edere

Related forms

eat·er, nounout·eat, verb (used with object), out·ate, out·eat·en, out·eat·ing.un·der·eat, verb (used without object), un·der·ate, un·der·eat·en, un·der·eat·ing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for eat up (1 of 3)

eat up


verb (adverb, mainly tr)

(also intr) to eat or consume entirely: often used as an exhortation to children
informal to listen to with enthusiasm or appreciationthe audience ate up the speaker's every word
(often passive) informal to affect grosslyshe was eaten up by jealousy
informal to travel (a distance) quicklywe just ate up the miles

British Dictionary definitions for eat up (2 of 3)

EAT

EAZ


abbreviation for

Tanzania (international car registration)

Word Origin for EAT

from E(ast) A(frica) T(anganyika) or E(ast) A(frica) Z(anzibar)

British Dictionary definitions for eat up (3 of 3)

eat

/ (iːt) /

verb eats, eating, ate or eaten

See also eat out, eats, eat up

Derived Forms

eater, noun

Word Origin for eat

Old English etan; related to Gothic itan, Old High German ezzan, Latin edere, Greek edein, Sanskrit admi
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for eat up

eat

[ ēt ]

v.

To take into the body by the mouth for digestion or absorption.
To consume, ravage, or destroy by or as if by ingesting, such as by a disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Idioms and Phrases with eat up (1 of 2)

eat up


1

Consume completely, as in No television until you eat up your dinner, or This quarter's expenses have eaten up all my spare cash. The literal use (first example) dates from the early 1500s, the figurative from the early 1600s.

2

Enjoy avidly, as in She simply eats up the publicity. [Late 1800s]

3

Believe unquestioningly, be gullible, as in He'll eat up whatever the broker tells him. [Slang; early 1900s]

4

Defeat completely, as in This new fighter just eats up every opponent. [Slang; c. 1830]

5

See eat out, def. 2.

Idioms and Phrases with eat up (2 of 2)

eat


In addition to the idioms beginning with eat

  • eat and run
  • eat away at
  • eat crow
  • eat high off the hog
  • eat in
  • eat like a bird
  • eat one's cake and have it, too
  • eat one's hat
  • eat one's heart out
  • eat one's words
  • eat out
  • eat out of someone's hand
  • eat shit
  • eat someone alive
  • eat someone out
  • eat someone out of house and home
  • eat someone's ass out
  • eat someone's lunch
  • eat someone up
  • eat up

also see:

  • dog eat dog
  • proof of the pudding is in the eating
  • what's eating you
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.