- a member of the branch of the Slavic peoples comprising the Czechs proper, the Moravians, and the Slovaks.
- a native or inhabitant of the former Czechoslovakia.
- of or relating to to the former Czechoslovakia, its people, or their language.
- of, relating to, or characteristic of the former Czechoslovakia, its peoples, or their languages
- (loosely) either of the two mutually intelligible languages of the former Czechoslovakia; Czech or Slovak
