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max

[maks]Slang.
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noun
  1. maximum.
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adjective
  1. maximum.
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adverb
  1. maximally.
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Verb Phrases
  1. max out,
    1. to reach a point at which no more improvement, profit, or benefit can occur; level off: In her last job she maxed out at $25,000 a year.
    2. to reach the limit of one's capacity, endurance, etc.: The sales department has maxed out and needs more personnel to call on new clients.
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Idioms
  1. to the max, to the greatest or furthest degree; totally: That book is disgusting to the max.
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Origin of max

by shortening
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for maxed out

max

noun informal
  1. the most significant, highest, furthest, or greatest thing
  2. to the max to the ultimate extent
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See also max out
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

Word Origin and History for maxed out

max

v.

"to reach the maximum level," by 1986, colloquial, from maximize or related words. Related: Maxed; maxing.

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Online Etymology Dictionary, © 2010 Douglas Harper