Longest word in Spanish

This article describes some of the longest words in the Spanish language.

Esternocleidooccipitomastoideos (31 letters) is the plural of the noun esternocleidooccipitomastoideo, which is the sternocleidomastoid, a muscle in the human neck. The word has a 22-letter synonym: esternocleidomastoideo, which is shorter because it omits the Latin prefix occipito- ('occipital'). Both words are abbreviated as ECOM.

The 24-letter word electroencefalografistas, plural of electroencefalografista, means 'electroencephalographists' or 'electroencephalographers': specialists in the brain measurement technology of electroencephalography (EEG).

The 23-letter adverb anticonstitucionalmente means 'anticonstitutionally'. Anticonstitucionalmente is also the Portuguese translation; the French translation, anticonstitutionnellement, is an exceptionally long word as well (25 letters).

Long words

In the table below, all of the Spanish nouns except for arteriosclerosis can be pluralised by adding an s (es for internacionalizaciones) to the end. The adjective otorrinolaringológico can also be pluralised with an s; the plurals of the other adjectives end in es.

The RAE column indicates whether the Real Academia Española lists and defines the word in the Diccionario de la lengua española, its official dictionary.

Word Letters Syllables Part of speech Translation RAE Ref.
hipopotomonstrosesquipedaliofobia 33 13 noun hippopotomonstrosesquipedaliophobia No
esternocleidooccipitomastoideo 30 13 noun sternocleidomastoid No
hexakosioihexekontahexafobia 28 10 noun hexakosioihexekontahexaphobia No
anticonstitucionalmente 23 9 adverb anticonstitutionally No
electroencefalografista 23 10 noun electroencephalographer Yes
esternocleidomastoideo 22 9 noun sternocleidomastoid Yes
electroencefalografía 21 10 noun electroencephalography Yes
otorrinolaringológico 21 10 adjective otorhinolaryngological Yes
internacionalización 20 8 noun internationalization Yes
electroencefalograma 20 9 noun electroencephalogram Yes
otorrinolaringología 20 10 noun otorhinolaryngology Yes
electrocardiografía 19 9 noun electrocardiography Yes
desafortunadamente 18 8 adjective unfortunately Yes
anticonstitucional 18 7 adjective anticonstitutional Yes
desconsoladamente 17 7 adverb disconsolately Yes
interculturalidad 17 7 noun interculturality Yes
arteriosclerosis 16 6 noun arteriosclerosis Yes
electrodoméstico 16 7 noun home appliance Yes
inconstitucional 16 6 adjective unconstitutional Yes
limpiaparabrisas 16 7 noun windshield wiper Yes
inexorablemente 15 7 adverb inexorably Yes
paralelepípedo 14 7 noun parallelepiped Yes

See also


This page was last updated at 2023-06-10 14:53 UTC. Update now. View original page.

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