AST

¹ American  

Or A.S.T.,

1. Atlantic Standard Time. standard time

---

-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.

---

AST British  

abbreviation

1. Atlantic Standard Time

2. automated screen trading (in securities)

3. education advanced skills teacher

---

Etymology

Origin of -ast

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

Example Sentences

On Sunday, the space company owned by Jeff Bezos successfully reused and recovered a booster for its New Glenn rocket, but the uncrewed mission did not deliver the satellite from the company AST SpaceMobile.

From Barron's • Apr. 20, 2026

AST SpaceMobile's share price fell by more than 6% on Monday.

From BBC • Apr. 20, 2026

What’s Next: While AST SpaceMobile currently has six satellites in orbit, it is targeting approximately 45 orbital satellites by the end of 2026 to offer a commercial service in northern latitudes.

From Barron's • Apr. 20, 2026

The company, founded by Amazon billionaire Jeff Bezos, attempted to place a satellite from AST SpaceMobile using its New Glenn rocket but was unable to get it as far into orbit as intended.

From BBC • Apr. 20, 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 Lebert, Marie