This is the 16299th most frequent Polish word.
utopi
"Utopi" means "he/she/it will drown" (third person singular future tense of the verb "utopić").
Here, 'utopił' is used in the past tense to describe the action of sinking something.
On utopił statek przez nieuwagę.
He sank the ship due to carelessness.
In this sentence, 'utopisz' is in the future tense, representing the possibility of sinking something under certain conditions.
Jeżeli nie ostrożnie prowadzisz, utopisz swój samochód w rzece.
If you drive carelessly, you will sink your car in the river.
Here, 'utopi' represents an hypothetical future action in the third person singular form.