This is the 7823rd most frequent Swedish word.
unge
"Unge" means "young one" or "child" in English.
Here, 'unge' refers to a child in an informal and colloquial manner, often used affectionately.
Ungen sprang runt i trädgården och lekte.
The kid ran around in the garden playing.
In this sentence, 'unge' is used to describe the young offspring of animals, specifically lion cubs.
Läraren berättade om hur lejonens ungar lär sig jaga.
The teacher spoke about how lion cubs learn to hunt.
Here, 'unge' is used metaphorically to express affection toward a pet, treating it similarly to a child.