IPA: /ʌnˈkəmˌplɪtɪd/
KK: /ʌnˈkəmˌplɪtɪd/
Not finished or completed yet.
The project remains uncompleted due to lack of resources.
Uncompleted → It is formed from "un-" (meaning not) and "completed" (from Latin "completus", meaning filled up or finished). The word "uncompleted" means not finished or not filled up.
Think of 'not' ('un-') finished or 'filled up' ('completed') — that's what uncompleted means.