-est
1 | a suffix forming the superlative degree of adjectives and adverbs: warmest; fastest; soonest. |
Origin: ME; OE
-est, -ost. Compare Gk
-isto-
-est
2 | a native English suffix formerly used to form the second person singular indicative of verbs: knowest; sayest; goest. |
Origin: ME; OE
-est, -ast, -st, 2nd pers. sing. pres. indic. endings of some verbs (
-s earlier verbal ending +
-t, by assimilation from
thū thou 1 ) and 2nd pers. sing. past endings of weak verbs (earlier
-es +
-t)

Eastern Standard Time n.
Abbr. EST Standard time in the fifth time zone west of Greenwich, England, reckoned at 75° west and used, for example, in the eastern part of North America. Also called Eastern Time. |
EST abbr. Eastern Standard Time |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary
Main Entry:
EST Function:
abbreviation electroshock therapy
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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EST
Eastern Standard Time electroshock therapy Estonia (international vehicle ID)
|
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source