jättiläinen — meaning in English

English meaning

behemoth noun Something enormous and powerful, especially a huge organization, machine, or creature.
giant noun A legendary humanlike being of enormous size and strength.
mega adjective Extremely large in size, scale, or importance.
ogre noun A large, ugly, monstrous creature in folklore, known for its brutish strength and appetite for humans.

jättiläinen is used for these senses in English:

behemoth (figurative) Something which has the qualities of great power and might, and monstrous proportions.
giant Very large.
giant A mythical human of very great size.
giant A very tall and large person.
giant (astronomy) A star that is considerably more luminous than a main sequence star of the same temperature (e.g. red giant, blue giant).
mega (informal) Very large.
ogre (mythology) A type of brutish giant from folk tales that eats human flesh.
ogreish Resembling an ogre; cruel and wicked.

noun A legendary humanlike being of enormous size and strength.
noun A person or thing that is exceptionally large, powerful, or important in its field.
adjective Extremely large.