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90s Slang You Should Know


or A.S.T. a.s.t

Atlantic Standard Time.
See under standard time.


a suffix of nouns that denote a person who practices or is concerned with something, or holds certain principles, doctrines, etc.: enthusiast; ecdysiast;
Origin of -ast
a variant of -ist after the vowel i; from Greek -astēs Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for AST
Contemporary Examples
Historical Examples
  • Look-a-here, dog, who's went an' AST you to take an' pray fer 'em?

    Gentle Julia Booth Tarkington
  • Ye've AST us t' b'lieve a genuwine out 'n out impossibility.'

    Eben Holden Irving Bacheller
  • He took a notion to them and AST me how old they was and I told him about as old as any twenty-inch cedar on Old Harpeth.

    The Heart's Kingdom Maria Thompson Daviess
  • I want to AST you to pray, not that he may be converted, but that he may be converted this very night.

    A Circuit Rider's Wife Corra Harris
  • I AST Father John 'bout it one day 'n' it looked lak it hurt 'im, 'n' he tol' me not to have them spells if I c'd he'p it.

    A Maid of the Kentucky Hills Edwin Carlile Litsey
  • She AST it; and she's got to have it, though she's been dead more than ten years now.

    The Man Next Door Emerson Hough
  • AST rejects both the dialogues called by the name of Hippias, as not composed by Plato.

British Dictionary definitions for AST


Atlantic Standard Time
automated screen trading (in securities)
(Brit, education) advanced skills teacher
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
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Word Origin and History for AST


agential suffix, cognate with -ist, from French -ast, from Latin -asta, from Greek -astes.

Online Etymology Dictionary, © 2010 Douglas Harper
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AST in Medicine

AST (ā'ěs-tē')
Aspartate aminotransferase; an enzyme that catalyzes the transfer of the amino group from glutamic acid to oxaloacetic acid forming alpha-ketoglutaric acid and aspartic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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