Tyhmä
Tyhmä is a Finnish adjective meaning "stupid" or "foolish," and it can also function as a noun meaning "a stupid person." It describes people, actions, or ideas that are regarded as lacking sense or reason. The term is common in everyday speech and informal writing but is pejorative and may offend, especially in directed address; in formal contexts, milder expressions such as hölmö or tyhmän idean to less harsh wording are often preferred.
Etymology and sense development are linked to the Finnish word tyhjä, meaning "empty," conveying the sense of
In Finnish grammar, tyhmä behaves as a typical adjective and agrees with the noun it describes in
Tyhmä can also appear in emotional or emphatic contexts, and its strength can be moderated by tone,
See also: hölmö, pöhkö, älykäs (for contrast), tyhmyys (n. stupidity).