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

  1. Atlantic Standard Time.: See under standard time.

Other definitions for -ast (2 of 2)


  1. a suffix of nouns that denote a person who practices or is concerned with something, or holds certain principles, doctrines, etc.: enthusiast;ecdysiast;gymnast.

Origin of -ast

A variant of -ist after the vowel i; from Greek -astēs Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use AST in a sentence

  • The tears come in her eyes as she AST whar I'd git de money, seein' we was layin' up what come from de Norf for de chile.

    The Cromptons | Mary J. Holmes
  • And I believe ef you was to AST 'em they'd all tell you the same, suh.

    From Place to Place | Irvin S. Cobb
  • Other day one of the boys, just to devil him, AST him to drive his team out home.

    Mr. Opp | Alice Hegan Rice
  • We didn't know we was moving light-hearted right into the middle of the biggest question that has ever been AST.

    Danny's Own Story | Don Marquis

British Dictionary definitions for AST


abbreviation for
  1. Atlantic Standard Time

  2. automated screen trading (in securities)

  1. British 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