sonífero
Portuguese, noun/soˈni.fe.ɾu/
sonífero is spelled S-O-N-Í-F-E-R-O (8 letters) and appears about once in every 4 million words in written Portuguese, the 62,709th most frequent Portuguese word form (wordfreq, 2021 data). Sonífero is a Portuguese masculine noun meaning “soporific (sleep-inducing agent)” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “substância capaz de provocar sono”.
What does sonífero mean in English?
adjective
- 1
somniferous; soporific (tending to induce sleep)
noun
- 1
masculinesoporific (sleep-inducing agent)
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
adjective: 1. que causa sono
noun: 1. substância capaz de provocar sono
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 sonífero
- sonífera feminine
- soníferos masculine plural
- soníferas feminine plural
- somnífero alternative
- somnifero alternative
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce sonífero?
- Brazil /soˈni.fe.ɾu/
- Portugal /suˈni.fɨ.ɾu/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to sonífero
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is sonífero in Portuguese?
sonífero appears about once in every 4 million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).