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• AST
  AST

  Atlantic Standard Time. standard time
• -ast
  -ast

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

AST

¹ American  

Or A.S.T.,

1. Atlantic Standard Time. standard time

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-ast ² American  

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

   enthusiast;

   ecdysiast;

   gymnast.

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AST British  

abbreviation

1. Atlantic Standard Time

2. automated screen trading (in securities)

3. education advanced skills teacher

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Etymology

Origin of -ast

A variant of -ist ( def. ) after the vowel i ; from Greek -astēs

Example Sentences

See Examples For:

AST

AST SpaceMobile was trading around $69 ahead of earnings.

From Barron's ● Aug. 11, 2026

AST SpaceMobile is developing a network that would allow standard, unmodified smartphones to connect directly to satellites, potentially extending cellular coverage to areas without conventional terrestrial networks.

From The Wall Street Journal ● Aug. 10, 2026

It has partnerships with more than 60 mobile-network operators that collectively cover more than 3 billion subscribers, AST SpaceMobile said.

From The Wall Street Journal ● Aug. 10, 2026

As of June 30, AST SpaceMobile said it had about $2.7 billion in cash and cash equivalents.

From MarketWatch ● Jul. 16, 2026

This led to a thorough familiarity with the European PC distribution business, and he worked then as AST Research's first European sales manager.

From Interviews (1998-2001) by Marie Lebert