This is the 523rd most frequent Croatian word.
izgubio
"Lost" (past tense, masculine form).
Here, 'izgubio' is used in its literal sense to indicate the act of losing an item (keys).
Izgubio sam svoje ključeve.
I lost my keys.
'Izgubio' here metaphorically represents wasting time, as in losing the opportunity or time span while waiting.
Izgubio je puno vremena čekajući.
He lost a lot of time waiting.
In this sentence, 'izgubio' describes the reduction in weight, used figuratively to imply a decrease rather than a loss of possession.