AST

1 of 2

abbreviation

Alaska standard time

-ast

2 of 2

noun suffix

: one connected with

ecdysiast

Word History

Etymology

Noun suffix

Middle English, from Latin -astes, from Greek -astēs, from verbs in -azein

Browse Nearby Words

-ast

AST

a stab in the dark

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Cite this Entry

Style

“AST.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/AST. Accessed 26 Jul. 2025.

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Medical Definition

AST

abbreviation

aspartate aminotransferase; aspartate transaminase

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