mountainous in Finnish
mountainous in Finnish
järkälemäinen
Having many mountains; characterized by mountains; of the nature of a mountain; rough (terrain); rocky.
jättimäinen
Having many mountains; characterized by mountains; of the nature of a mountain; rough (terrain); rocky.
vuorenkokoinen
Having many mountains; characterized by mountains; of the nature of a mountain; rough (terrain); rocky.
vuoristoinen
Having many mountains; characterized by mountains; of the nature of a mountain; rough (terrain); rocky.
visainen
(figurative, of a problem or task) Very difficult.