From Longman Dictionary of Contemporary Englishmaxmax1 /mæks/ noun [countable] informal 1 TMthe abbreviation of maximum Five people will fit, but that’s the max.2 → to the max —max adjective, adverb Let’s say two hours to get there, max.
Examples from the Corpus
max• This credit card has a max of $2000.• An hour or two here, max, is all it takes.• I bet the max, and prepared to count the spoils.• You can drive 65 miles per hour on this highway, but that's the max.• In by 21 May and 250 words max.maxmax2 verb → max out→ See Verb tableFrom Longman Business Dictionarymaxmax /mæks/ abbreviation for MAXIMUMOrigin max1 (1800-1900) maximum 