acérrimo
Spanish, adjective/aˈθerimo/
acérrimo is spelled A-C-É-R-R-I-M-O (8 letters) and appears about once in every 1 million words in written Spanish, the 40,689th most frequent Spanish word form (wordfreq, 2021 data). Acérrimo is a Spanish adjective meaning “very strong” (English Wiktionary, September 2026). It is also a superlative degree of acre (“bitter”). The Spanish Wiktionary (Wikcionario) defines it as “Superlativo irregular de acre: sumamente acre o áspero”.
What does acérrimo mean in English?
adjective
- 1
superlative degree of acre (“bitter”)
- 2
very strong
- 3
vigorous; with tenacity
- 4
die-hard, extreme
Source: English Wiktionary, Spanish section, dump of September 2, 2026 (CC BY-SA 4.0).
How Spanish dictionaries define it
adjective: 1. Superlativo irregular de acre: sumamente acre o áspero. 2. Muy fuerte, vigoroso o tenaz. 3. Fanático, extremado.
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.
Forms of acérrimo
- acérrima feminine
- acérrimos masculine plural
- acérrimas feminine plural
Source: English Wiktionary and Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce acérrimo?
- /aˈθerimo/
- [aˈθe.ri.mo]
- /aˈserimo/
Sources: English Wiktionary, Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to acérrimo
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is acérrimo in Spanish?
acérrimo appears about once in every 1 million words in written Spanish.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).