EST

¹ American  

Or E.S.T.,

abbreviation

1. Eastern Standard Time.

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-est ² American  

1. a suffix forming the superlative degree of adjectives and adverbs.

   warmest; fastest; soonest.

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-est ³ American  

1. a native English suffix formerly used to form the second person singular indicative of verbs.

   knowest; sayest; goest.

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est. ⁴ American  

abbreviation

1. established.

2. estate.

3. estimate.

4. estimated.

5. estuary.

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EST ¹ British  

abbreviation

1. Eastern Standard Time

2. electric-shock treatment

3. Estonia (international car registration)

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est ² British  

abbreviation

1. Also: estab.  established

2. estimate(d)

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-est ³ British  

suffix

1. forming the superlative degree of adjectives and adverbs

   shortest

   fastest

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-est ⁴ British  

suffix

1. forming the archaic second person singular present and past indicative tense of verbs

   thou goest

   thou hadst

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est ⁵ British  

/ ɛst /

noun

1. a treatment intended to help people towards psychological growth, in which they spend many hours in large groups, deprived of food and water and hectored by stewards

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Etymology

Origin of -est²

Middle English; Old English -est, -ost. Compare Greek -isto-

Origin of -est³

Middle English; Old English -est, -ast, -st, 2nd person singular present indicative endings of some verbs ( -s earlier verbal ending + -t, by assimilation from thū thou ¹ ) and 2nd person singular past endings of weak verbs (earlier -es + -t )

Compare meaning

How does est compare to similar and commonly confused words? Explore the most common comparisons:

• CDT vs. EST
• EST vs. EDT
• PST vs. EST
• CST vs. EST

Example Sentences

EST, Terraform withdrew 150 million TerraUSD from the Curve3pool, a liquidity pool where stablecoins—typically dollar-pegged cryptocurrencies—could be exchanged one for the other.

From The Wall Street Journal • Feb. 23, 2026

EST on Thursday, Feb. 12, and 5:15 a.m.

From Science Daily • Feb. 2, 2026

EST and its booster returned to the launchpad as planned.

From Salon • Jan. 12, 2026

EST, but must wait till 10:30 to watch USC vs.

From Los Angeles Times • Nov. 30, 2024

End of mission called at 10:46 hours EST.

From "Adrift" by Paul Griffin