CzechCourse

sex
Very common
Noun
Gender:Masculine inanimate
Animacy:inanimate
Paradigm:hrad
Countability:uncountable
Singularia tantum:Yes

Declension

CaseSingularPlural
1. Nominative
2. Genitive
3. Dative
4. Accusative
5. Vocative
6. Locative
7. Instrumental

Examples

Sex is a sensitive topic.
We talk about sex carefully.
The article is about sex.
The course does not talk about sex.
A question about sex is personal.