insidioso

== Galician == === Etymology === From Latin īnsidiōsus. === Pronunciation === IPA(key): /insiˈdjoso/ [in.s̺iˈð̞jo.s̺ʊ] Rhymes: -oso Hyphenation: in‧si‧dio‧so === Adjective === insidioso (feminine insidiosa, masculine plural insidiosos, feminine plural insidiosas) insidious === Further reading === “insidioso”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026 == Italian == === Etymology === From Latin īnsidiōsus. === Pronunciation === IPA(key): /in.siˈdjo.zo/, (traditional) /in.siˈdjo.so/ Rhymes: -ozo, (traditional) -oso Hyphenation: in‧si‧dió‧so === Adjective === insidioso (feminine insidiosa, masculine plural insidiosi, feminine plural insidiose) dangerous, insidious, tricky, underhand Synonyms: pericoloso, infido, subdolo ==== Related terms ==== insidia insidiare insidiosamente insidiosità === Further reading === insidioso in Collins Italian-English Dictionary insidioso in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana === Anagrams === ossidioni == Latin == === Adjective === īnsidiōsō dative/ablative masculine/neuter singular of īnsidiōsus == Portuguese == === Etymology === From Latin īnsidiōsus. === Pronunciation === === Adjective === insidioso (feminine insidiosa, masculine plural insidiosos, feminine plural insidiosas, metaphonic) insidious (producing harm in a stealthy manner) === Further reading === “insidioso” in Dicionário Aberto based on Novo Diccionário da Língua Portuguesa de Cândido de Figueiredo, 1913 “insidioso”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Spanish == === Etymology === From Latin īnsidiōsus. === Pronunciation === IPA(key): /insiˈdjoso/ [ĩn.siˈð̞jo.so] Rhymes: -oso Syllabification: in‧si‧dio‧so === Adjective === insidioso (feminine insidiosa, masculine plural insidiosos, feminine plural insidiosas) insidious === Further reading === “insidioso”, 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