insidieusement
French, adverb/ɛ̃.si.djøz.mɑ̃/
insidieusement is spelled I-N-S-I-D-I-E-U-S-E-M-E-N-T (14 letters) and appears about once in every 3 million words in written French, the 53,838th most frequent French word form (wordfreq, 2021 data). Insidieusement is a French adverb meaning “insidiously” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “D’une manière insidieuse”.
What does insidieusement mean in English?
adverb
- 1
insidiously
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
adverb: 1. D’une manière insidieuse.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
How do you pronounce insidieusement?
- /ɛ̃.si.djøz.mɑ̃/
- \ɛ̃.si.djøz.mɑ̃\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to insidieusement
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is insidieusement in French?
insidieusement appears about once in every 3 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).