somniferous

[/sɑmˈnɪfərəs/]
adjective
sonífera/sonífer ou indutor de sono
1. Causing or tending to cause sleep; sleep-inducing
The somniferous effects of the medication made it difficult to stay awake during the meeting.
Os efeitos sonífers do medicamento dificultaram ficar acordado durante a reunião.
2. Boring or tedious in a way that makes one drowsy
The professor's somniferous lecture put most of the students to sleep.
A aula sonífara do professor fez a maioria dos alunos adormecerem.
This is a formal, literary word rarely used in everyday conversation in either Brazilian Portuguese or American English. It appears more frequently in medical, pharmaceutical, or academic contexts. In Brazil, speakers typically prefer 'que causa sono' or 'sonífero' in more casual settings, while in the US, 'soporific' is the more commonly used synonym.
NYC Slang
puts you to sleep / boring as hell
Synonyms / Sinônimos
soporificnarcoticsedativehypnoticdrowsy-makingsleep-inducing
Antonyms / Antônimos
stimulatinginvigoratingenergizingawakening

Regional Variations

General Brazilian
sonífera
More formal, literary usage
General Brazilian
que causa sono
Common colloquial paraphrase
Portugal
sonífero
Portuguese variant spelling

Related Words

somnolencesomnolentinsomniasedationlethargytorpor

Related Idioms & Phrases

a somniferous atmosphere
somniferous tones
somniferous effect
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