acérrimo

== Portuguese == === Pronunciation === Hyphenation: a‧cér‧ri‧mo === Adjective === acérrimo (feminine acérrima, masculine plural acérrimos, feminine plural acérrimas) superlative degree of acre (“bitter”) obstinate ==== Derived terms ==== acerrimamente === Further reading === “acérrimo”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “acérrimo”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Spanish == === Etymology === From Latin ācerrimus, irregular superlative of ācer. === Pronunciation === IPA(key): /aˈθerimo/ [aˈθe.ri.mo] (Spain) IPA(key): /aˈserimo/ [aˈse.ri.mo] (Latin America, Philippines) Rhymes: -erimo Syllabification: a‧cé‧rri‧mo === Adjective === acérrimo (feminine acérrima, masculine plural acérrimos, feminine plural acérrimas) superlative degree of acre (“bitter”) very strong vigorous; with tenacity die-hard, extreme ==== Derived terms ==== ==== Related terms ==== === Further reading === “acérrimo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025