mu
Spanish, adverb/ˈmu/
mu is spelled M-U (2 letters) and appears 6.8 times per million words in written Spanish, the 9,590th most frequent Spanish word form (wordfreq, 2021 data). Mu is a Spanish adverb meaning “pronunciation spelling of muy (“very”)” (English Wiktionary, September 2026).
What does mu mean in English?
interjection
- 1
moo (sound of a cow)
adverb
- 1
pronunciation spelling of muy (“very”)
Source: English Wiktionary, Spanish section, dump of September 2, 2026 (CC BY-SA 4.0).
How Spanish dictionaries define it
noun: 1. Onomatopeya del mugido o bramido de un bovino. 2. Mugido.
noun: 1. Acto de dormir. Se usaba por las nodrizas cuando querían que se durmieran los niños. Vamos a la mu.
The definition in the Spanish Wiktionary (Wikcionario), in Spanish.
Source: Spanish Wiktionary (Wikcionario), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
How do you pronounce mu?
- /ˈmu/
- [ˈmu]
Sources: English Wiktionary, Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to mu
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is mu in Spanish?
mu appears 6.8 times per million words in written Spanish.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).