о́пиум

noun, masculine, inanimate

Very rarely used word (top 20,000)

Translation

Рели́гия - о́пиум для наро́да.Religion is the opiate of the masses.
Ни вино́, ни о́пиум, ни таба́к не нужны́ для жи́зни люде́й.Neither wine, nor opium, nor tobacco are necessary for people’s lives.
Рели́гия есть о́пиум наро́да.Religion is the opium of the people.

This noun exists in singular form only.