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subsonique

French, adjective/syp.sɔ.nik/

subsonique is spelled S-U-B-S-O-N-I-Q-U-E (10 letters) and appears about once in every 9 million words in written French, the 96,749th most frequent French word form (wordfreq, 2021 data). Subsonique is a French adjective meaning “subsonic (less than the speed of sound)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “En dessous de la vitesse du son”.

What does subsonique mean in English?

adjective

  1. 1

    subsonic (less than the speed of sound)

Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).

How French dictionaries define it

adjective: 1. En dessous de la vitesse du son.

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.

Forms of subsonique

  • subsoniques plural

Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce subsonique?

  • /syp.sɔ.nik/
  • \syb.sɔ.nik\

Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

English words that translate to subsonique

Source: the translation tables of the English Wiktionary, dump of September 2, 2026.

How common is subsonique in French?

subsonique appears about once in every 9 million words in written French.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

What to look up after subsonique