This is the 2370th most frequent Polish word.
zadzwonił
"Zadzwonił" means "he/she/it called" or "rang" (past tense).
'zadzwonił' is a past-tense verb indicating a completed action of making a phone call, often simply 'called' in English.
On nagle zadzwonił do mnie wczoraj.
He suddenly called me yesterday.
'zadzwonił' in this context expresses the action of the phone emitting sound to signal an incoming call, translated as 'rang' in English.
Telefon zadzwonił głośno w środku nocy.
The phone rang loudly in the middle of the night.
'zadzwonił' here describes the sound made by a bell, signaling a transition or alert, translated as 'rang' in English.