methionylglutaminylarginyltyrosylglutamylserylleucylphenylal anylalanylglutaminylleucyllysylglutamylarginyllysylglutamylg lycylalanylphenylalanylvalylprolylphenylalanylyalylthreonyll eucylglycylaspartylprolylglycylisoleucylglutamylglutaminylse rylleucylly

This 1913 letter word is the longest word in the English language and is the chemical name for tryptophan synthetase A protein. It appears in Mrs Byrne's Dictionary of Unusual, Obscure and Preposterous Words.

Haha. Yeah right.

methionylglutaminylarginyltyrosylglutamylserylleucylphenylal anylalanylglutaminylleucyllysylglutamylarginyllysylglutamylg lycylalanylphenylalanylvalylprolylphenylalanylyalylthreonyll eucylglycylaspartylprolylglycylisoleucylglutamylglutaminylse rylleucylly by Roach Clip January 17, 2004

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methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanyla lanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalany lphenylalanylvalylprolylphenylalanylvalylthreonylleucylglycylaspa rtylprolylglycylisoleucylglutamylglutaminylserylleucyllys

The full name of the tryptophan synthetase A protein, an enzyme with 267 amino acids

methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanyla lanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalany lphenylalanylvalylprolylphenylalanylvalylthreonylleucylglycylaspa rtylprolylglycylisoleucylglutamylglutaminylserylleucyllysylisoleu cylaspartylthreonylleucylisoleucylglutamylalanylglycylalanylaspar tylalanylleucylglutamylleucylglycylisoleucylprolylphenylalanylser ylaspartylprolylleucylalanylaspartylglycylprolylthreonyliso leucylglutaminylaspfraginylalanylthreonylleucylarginylalanylpheny lalanylalanylalanylglycylvalylthreonylprolylalanylglutaminylcyste inylphenylalanylglutamylmethionylleucylalanylleucylisoleucylargin ylglutaminyllysylhistidylprolylthreonylisoleucylprolylisoleucylgl ycylleucylleucylmethionyltyrosylalanylasparaginylleucylvalylpheny lalanylasparaginyllysylglycylisoleucylaspartylglutamylphenylalany ltyrosylalanylglutaminylcysteinylglutamyllysylvalylglycylva lylaspartylserylvalylleucylvalylalanylaspartylvalylprolylvalylglu taminylglutamylserylalanylprolylphenylalanylarginylglutaminylalan ylalanylleucylarginylhistidylasparaginylvalylalanylprolylisoleucy lphenylalanylisoleucylcysteinylprolylprolylaspartylalanylaspartyl aspartylaspartylleucylleucylarginylglutaminylisoleucylalanylseryl tyrosylglycylarginylglycyltyrosylthreonyltyrosylleucylleucylseryl arginylalanylglycylvalylthreonylglycylalanylglutamylasparag inylarginylalanylalanylleucylprolylleucylasparaginylhistidylleucy lvalylalanyllysylleucyllysylglutamyltyrosylasparaginylalanylalany lprolylprolylleucylglutaminylglycylphenylalanylglycylisoleucylser ylalanylprolylaspartylglutaminylvalyllysylalanylalanylisoleucylas partylalanylglycylalanylalanylglycylalanylisoleucylserylglycylser ylalanylisoleucylvalyllysylisoleucylisoleucylglutamylglutaminylhi stidylasparaginylisoleucylglutamylprolylglutamyllysylmethio nylleucylalanylalanylleucyllysylvalylphenylalanylvalylglutaminylp rolylmethion yllysylalanylalanylthreonylarginylserine is a very long word (1,913 letters)

methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanyla lanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalany lphenylalanylvalylprolylphenylalanylvalylthreonylleucylglycylaspa rtylprolylglycylisoleucylglutamylglutaminylserylleucyllys by Veer April 13, 2004

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methionylglutaminylarginyltyrosylglutamylserylleucyl phenylalanylalanylglutaminylleucyllysylglutamylarginyl lysylglutamylglycylalanylphenylalanylvalylprolylphenyl alanylvalylthreonylleucylglycylaspartylprolylglycylisol eucylglutamylglutaminylserylleucylly

A chemical compound with combination of many amino acids. 1912 letters long.

OMG I have to write a scientific essay about methionyl..........phenylalanylvalylglutaminylprolylmethionyllys! It'll take me forever just to write the word!

methionylglutaminylarginyltyrosylglutamylserylleucyl phenylalanylalanylglutaminylleucyllysylglutamylarginyl lysylglutamylglycylalanylphenylalanylvalylprolylphenyl alanylvalylthreonylleucylglycylaspartylprolylglycylisol eucylglutamylglutaminylserylleucylly by notAmerican August 29, 2005

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methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanyla lanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalany lphenylalanylvalylprolylphenylalanylvalylthreonylleucylglycylaspa rtylprolylglycylisoleucylglutamylglutaminylserylleucyllys

The full name of the tryptophan synthetase A protein, an enzyme with 267 amino acids. This word is considerably longer than either antidisestablishmentarianism or pneumonoultramicroscopicsilicovolcanoconiosis.

This is a photo of pneumonoultramicroscopicsilicovolcanoconiosis

methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanyla lanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalany lphenylalanylvalylprolylphenylalanylvalylthreonylleucylglycylaspa rtylprolylglycylisoleucylglutamylglutaminylserylleucyllys by Scion April 15, 2004

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methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanyl- glutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanyl- valylprolylphenylalanylvalylthreonylleucylglycylaspartylprolylglycyl- isoleucylglutamylglutaminylserylleucyl

Including scientific words, this is officially the longest word in the English language, smashing pneumonoultramicroscopicsilicovolcanoconiosis and antidisestablishmentarianism.

There is a guy in the town of Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch who makes methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanyl- glutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanyl- valylprolylphenylalanylvalylthreonylleucylglycylaspartylprolylglycyl- isoleucylglutamylglutaminylserylleucyllysylisoleucylaspartylthreonylleucyl- isoleucylglutamylalanylglycylalanylaspartylalanylleucylglutamylleucyl- glycylisoleucylprolylphenylalanylserylaspartylprolylleucylalanylaspartyl- glycylprolylthreonylisoleucylglutaminylasparaginylalanylthreonylleucyl- arginylalanylphenylalanylalanylalanylglycylvalylthreonylprolylalanyl- glutaminylcysteinylphenylalanylglutamylmethionylleucylalanylleucyl- isoleucylarginylglutaminyllysylhistidylprolylthreonylisoleucylprolyl- isoleucylglycylleucylleucylmethionyltyrosylalanylasparaginylleucylvalyl- phenylalanylasparaginyllysylglycylisoleucylaspartylglutamylphenylalanyl- tyrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylaspartylseryl- valylleucylvalylalanylaspartylvalylprolylvalylglutaminylglutamylseryl- alanylprolylphenylalanylarginylglutaminylalanylalanylleucylarginylhistidyl- asparaginylvalylalanylprolylisoleucylphenylalanylisoleucylcysteinylprolyl- prolylaspartylalanylaspartylaspartylaspartylleucylleucylarginylglutaminyl- isoleucylalanylseryltyrosylglycylarginylglycyltyrosylthreonyltyrosylleucyl- leucylserylarginylalanylglycylvalylthreonylglycylalanylglutamylasparaginyl- arginylalanylalanylleucylprolylleucylasparaginylhistidylleucylvalylalanyl- lysylleucyllysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucyl- glutaminylglycylphenylalanylglycylisoleucylserylalanylprolylaspartyl- glutaminylvalyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanyl- glycylalanylisoleucylserylglycylserylalanylisoleucylvalyllysylisoleucyl- isoleucylglutamylglutaminylhistidylasparaginylisoleucylglutamylprolyl- glutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylalanylvalyl- glutaminylprolylmethionyllysylalanylalanylthreonylarginylserine!

methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanyl- glutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanyl- valylprolylphenylalanylvalylthreonylleucylglycylaspartylprolylglycyl- isoleucylglutamylglutaminylserylleucyl by Age May 31, 2004

Merch

methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminyll eucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylal anylvalylthreonylleucylglycylaspartylprolylglycylisoleucylglutamylglutaminylseryl leucyllys

The longest word in the English language. It is the long spelling of the tryptophan synthetase A protein.

Arrgh! I can't say it!

methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminyll eucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylal anylvalylthreonylleucylglycylaspartylprolylglycylisoleucylglutamylglutaminylseryl leucyllys by someone March 2, 2004

Merch

mormon assault vehicle

another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)

"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."

mormon assault vehicle by KVRX January 10, 2005

Word of the Day on August 22, 2026

Merch

Shakira Law

A version of "Sharia Law" that Reform Ltd supporters tend to refer to, often by mistake.

Richard Tice of Reform now lives in Dubai, under Shakira Law, although telling Brits that we should worry about it

Shakira Law by Reformltd February 16, 2025

Word of the Day on August 21, 2026

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Overstand

To understand a topic or statement to the highest extent.

Leroy, after being told the tenth time by his sister, did overstand her idea of robbing the 7-11.

Overstand by Elf Eater March 23, 2003

Word of the Day on August 20, 2026

Merch

minimap

A map that mostly tells you where everything is

Friend 1: Follow me there is a player nearby
Friend 2: How do you know?
Friend 1: Minimap

minimap by LeWord January 13, 2015

Word of the Day on August 19, 2026

Merch

Pink Cloud

12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. Usually meaning that the person is out of touch with reality.

The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.

Pink Cloud by toniwithaneye November 24, 2006

Word of the Day on August 18, 2026

Merch

Dotard

An aging individual who has long lost the ability to make rational sense.

That dotard is going to get us all blown up, if he doesn't calm down .

Dotard by anonymous September 22, 2017

Word of the Day on August 17, 2026

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