CDF
Portuguese, noun
CDF is spelled C-D-F (3 letters) and appears about once in every 3 million words in written Portuguese, the 53,221st most frequent Portuguese word form (wordfreq, 2021 data). CDF is a Portuguese feminine noun meaning “nerd (intellectual, skillful person, generally introverted)” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “cu-de-ferro”.
What does CDF mean in English?
noun
- 1
Brazilderogatoryfemininemasculineslangnerd (intellectual, skillful person, generally introverted)
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
noun: 1. cu-de-ferro
abbreviation: 1. cu de ferro
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of CDF
- CDFs plural
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
English words that translate to CDF
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is CDF in Portuguese?
CDF appears about once in every 3 million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).