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• er
  er

  interjection

  (used to express or represent a pause, hesitation, uncertainty, etc.)
• Er
  Er

  erbium.
• ER
  ER

  abbreviation

  earned run.
• -er
  -er

  a suffix used in forming nouns designating persons from the object of their occupation or labor (hatter; tiler; tinner; moonshiner ), or from their place of origin or abode (Icelander; southerner; villager ), or designating either persons or things from some special characteristic or circumstance (six-footer; three-master; teetotaler; fiver; tenner ).
• E.R.
  E.R.

  abbreviation

  King Edward.

er

¹ American  

[uh, er] / ə, ər /

interjection

1. (used to express or represent a pause, hesitation, uncertainty, etc.)

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Er ² American  

Symbol, Chemistry.

1. erbium.

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ER ³ American  

abbreviation

1. Baseball. earned run.

2. efficiency report.

3. emergency room.

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-er ⁴ American  

1. a suffix used in forming nouns designating persons from the object of their occupation or labor (hatter; tiler; tinner; moonshiner ), or from their place of origin or abode (Icelander; southerner; villager ), or designating either persons or things from some special characteristic or circumstance (six-footer; three-master; teetotaler; fiver; tenner ).

2. a suffix serving as the regular English formative of agent nouns, being attached to verbs of any origin (bearer; creeper; employer; harvester; teacher; theorizer ).

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-er ⁵ American  

1. a noun suffix occurring in loanwords from French in the Middle English period, most often names of occupations (archer; butcher; butler; carpenter; grocer; mariner; officer ), but also other nouns (corner; danger; primer ). Some historical instances of this suffix, as in banker or gardener, where the base is a recognizable modern English word, are now indistinguishable from denominal formations with -er1, as miller or potter.

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-er ⁶ American  

1. a termination of nouns denoting action or process: dinner; rejoinder; remainder; trover .

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-er ⁷ American  

1. a suffix regularly used in forming the comparative degree of adjectives: harder; smaller .

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-er ⁸ American  

1. a suffix regularly used in forming the comparative degree of adverbs: faster .

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-er ⁹ American  

1. a formal element appearing in verbs having frequentative meaning: flicker; flutter; shiver; shudder .

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-er ¹⁰ American  

1. a suffix that creates informal or jocular mutations of more neutral words, which are typically clipped to a single syllable if polysyllabic, before application of the suffix, and which sometimes undergo other phonetic alterations: bed-sitter; footer; fresher; rugger . Most words formed thus have been limited to English public-school and university slang; few, if any, have become current in North America, with the exception of soccer, which has also lost its earlier informal character.

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E.R. ¹¹ American  

abbreviation

1. King Edward.

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E.R. ¹² American  

abbreviation

1. Queen Elizabeth.

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E.R. ¹³ American  

abbreviation

1. East Riding (Yorkshire).

2. East River (New York City).

3. emergency room.

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-er ¹ British  

suffix

1. a person or thing that performs a specified action

   reader

   decanter

   lighter

2. a person engaged in a profession, occupation, etc

   writer

   baker

   bootlegger

3. a native or inhabitant of

   islander

   Londoner

   villager

4. a person or thing having a certain characteristic

   newcomer

   double-decker

   fiver

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ER ² British  

abbreviation

1. (in the US) Emergency Room (in hospitals)

2. Elizabeth Regina

3. Eduardus Rex

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-er ³ British  

suffix

1. forming the comparative degree of adjectives ( deeper, freer, sunnier, etc) and adverbs ( faster, slower, etc)

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Er ⁴ British  

symbol

1. erbium

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er ⁵ British  

/ ə, ɜː /

interjection

1. a sound made when hesitating in speech

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er ⁶ British  

abbreviation

1. Eritrea

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Etymology

Origin of -er⁴

Middle English -er(e), a coalescence of Old English -ere agentive suffix (cognate with Old High German -āri, Gothic -areis, from unattested Germanic -arjaz, from unattested Slavic -arĭ, from Latin -ārius ) and Old English -ware suffix forming nouns of ethnic or residential origin (e.g., Rōmware “Romans”), cognate with Old High German -āri, from unattested Germanic -warioz “people”; see origin at -ary

Origin of -er⁵

Middle English < Anglo-French -er, equivalent to Old French -er, -ier < Latin -ārius, -ārium. Cf. -ary, -eer, -ier ²

Origin of -er⁶

< French, originally infinitive suffix -er, -re

Origin of -er⁷

Middle English -er ( e ), -re, Old English -ra, -re; cognate with German -er

Origin of -er⁸

Middle English -er ( e ), -re, Old English -or; cognate with Old High German -or, German -er

Origin of -er⁹

Middle English; Old English -r-; cognate with German - ( e ) r-

Origin of -er¹⁰

Probably modeled on nonagentive uses of -er ¹; said to have first become current in University College, Oxford, 1875–80

Origin of E.R.¹¹

From New Latin Edwardus Rex

Origin of E.R.¹²

From New Latin Elizabeth Regina

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Example Sentences

See Examples For:

er Er ER -er E.R.

And they are doing so with their usual brand of nonsense and … er … “alternative facts.”

From MarketWatch ● Aug. 21, 2026

The YA musical drama, which premieres Friday, pays homage to musical theater, unconditional maternal love and the family-hour TV, er, Netflix movie.

From Los Angeles Times ● Aug. 13, 2026

I assure you this is less about sisterly solidarity or my lingering affection for “Ted Lasso” or even a love of soccer – er, football.

From Salon ● Aug. 7, 2026

The last years of the V8 era, once refuelling was banned at the end of 2009, fluctuated between intensely competitive and, er, not.

From BBC ● May 19, 2026

“I didn’t mean it, I don’t mind her — er, hello, Myrtle.”

From "Harry Potter And The Chamber Of Secrets" by J. K. Rowling

Er … 8% a year on average, or nearly a full percentage point per year better.

From MarketWatch ● Oct. 1, 2026

"The specific name lii honors Li Er, the ancient Chinese philosopher better known as Laozi," said the research team, led by Bo Cai.

From Science Daily ● Apr. 22, 2026

But the current Draco obsession stems from the transliteration of his surname, "Ma Er Fu", which contains the Chinese characters for "horse" and "good fortune" -- an auspicious omen for the year ahead.

From Barron's ● Feb. 5, 2026

"Er, yeah, we'd like to go down," a female voice said over the radio as the crisis erupted at 16,000ft.

From BBC ● Dec. 27, 2024

After Liberation she had helped to found Xin Er Primary School—my school—and become its vice-principal.

From "Red Scarf Girl: A Memoir of the Cultural Revolution" by Ji-li Jiang

When doctors reviewed translations with high quality scores, they also found small but frequent mistakes in medication instructions, as well as in warnings about when to urgently return to the ER.

From Slate ● Oct. 16, 2026

"While I'm working, I'm also on alert. Sometimes my wife suddenly calls, saying we need to take the child to the ER."

From Barron's ● Oct. 15, 2026

Another man told the hospital ER he injured his knee after a car stopped in front of his electric scooter.

From The Wall Street Journal ● Oct. 6, 2026

MAL was one of four blood group systems ratified during the period covered by the organization's 2026 terminology report, alongside ER, CD36 and ATP11C.

From Science Daily ● Sep. 19, 2026

Her wrinkled face mirrored the emotions on the screen as he translated ER, The Price Is Right, and Oprah for her, which helped improve his English.

From "Shooting Kabul" by N. H. Senzai

Among wealthy university students in the 1880s and 1890s, there was a habit of shortening words and adding "-er" to the end, creating a kind of slang.

From BBC ● Jun. 13, 2026

Her th sounds were more like d sounds, pronouncing the word "those" like "doze," and if a word ended in -er, like "number," she said, "num-bah."

From Salon ● Sep. 25, 2022

The girl is embarrassed that she doesn’t understand, and replies, “I -er, oh, I don’t know, suh. I didn’t know you-er anybody could ride uh fish.”

From Seattle Times ● Feb. 27, 2020

The Shubert closed in 1976 and when it reopened in 1983, the board chair insisted on changing it to -er.

From Washington Post ● Oct. 15, 2019

Soccer was supposed to be an easy one, but I forgot about the -er not -re at the end.

From Absolutely Almost by Lisa Graff

But the betting here is that a viewer will be preoccupied by thinking about the multitude of head injuries someone like Robby would encounter in the E.R., and why he doesn’t wear a helmet himself.

From The Wall Street Journal ● Jan. 6, 2026

“Nobody ever wins a fight,” he solemnly tells the hot E.R. doctor who patches him up, echoing the words of Swayze’s sunrise tai chi practitioner.

From Salon ● Mar. 24, 2024

Presley, who’s vowed to work to expand Medicaid, responded from a shuttered E.R.:

From Los Angeles Times ● Nov. 2, 2023

The brick building at 1916 Post Alley opened in 1903 — four years before Pike Place Market started up a few blocks away — as the E.R.

From Seattle Times ● Oct. 26, 2023

My parents knew somebody had to go rushing out of there with Jeffrey to the E.R., but who?

From "Drums, Girls, and Dangerous Pie" by Jordan Sonnenblick

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