This is the 13621st most frequent Russian word.
незавершенного
"Unfinished" or "incomplete."
Used as an adjective modifying 'состояния', indicating an incomplete state.
Проект остался в состоянии незавершенного.
The project remained in an incomplete state.
Used as an adjective characterizing 'стиля', describing an unfinished characteristic.
Он был художником незавершенного стиля.
He was an artist of an unfinished style.
Used as a noun (in the neuter form) to signify a sense of not being complete, often conveying a lasting impression.