This is the 165th most frequent Croatian word.
sigurno
Certainly; surely; safely.
Here, 'sigurno' means 'surely' or 'certainly', indicating a positive affirmation and confidence in the statement.
Sigurno ćeš stići na vrijeme.
You will surely arrive on time.
In this context, 'sigurno' means 'safe', describing a secure location.
Ostavi ključeve na sigurno mjesto.
Leave the keys in a safe place.
Here, 'sigurno' is used to mean 'surely', expressing emphasis towards the listener's probable misconception.