infra
French, noun/ɛ̃.fʁa/
infra is spelled I-N-F-R-A (5 letters) and appears 2.5 times per million words in written French, the 18,149th most frequent French word form (wordfreq, 2021 data). Infra is a French masculine noun meaning “infra (infrastructure)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Infrastructure”.
What does infra mean in English?
adverb
- 1
infra
noun
- 1
masculineinfra (infrastructure)
prefix
- 1
infra-
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
adverb: 1. Ci-dessous ; plus bas.
noun: 1. Infrastructure. 2. ce qui est au-dessous.
prefix: 1. Qui est en dessous de, inférieur à ou en bas de.
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 infra
- infras plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce infra?
- /ɛ̃.fʁa/
- \ɛ̃.fʁa\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to infra
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is infra in French?
infra appears 2.5 times per million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).