Meaning of the word "over time" in English

What does "over time" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

over time

US /ˈoʊvər taɪm/
UK /ˈəʊvə taɪm/

Phrase

gradually; as time passes

Example:
His health improved over time.
The city has changed a lot over time.