Definition of "max"

max

/mæks/

adjective
not comparable
1. (informal) Maximum; maximal.
adverb
not comparable
1. (informal) at the most; maximum.
  Quotations
  Four days max, then, to get them to safety.
  1962, Poul Anderson, Time and Stars, published 1966, page 88
noun
countable and uncountable, plural maxes
1. (informal) Clipping of maximum.
2. (informal) An extreme, a great extent.
3. (obsolete, slang) Gin.
  Quotations
  Oh! for a glass of max!
  1819–1824, [Lord Byron], Don Juan, London, (please specify |canto=I to XVII)
  'I remember,' said the pale man, 'the fust night as the Dandy ever came to this crib; he sat at this very table, and drank max with Charley Chatfield. […]
  1861, The Old Roman Well, page 243
verb
third-person singular simple present maxes, present participle maxing, simple past and past participle maxed
1. (usually with out) To reach the limit; to reach the maximum.