: not brought to an end or to the desired final state : not completed an uncompleted portrait/project an uncompleted crossword puzzle.

Is it correct to say uncompleted?

Incomplete means (and meant) that not all parts are present. The Latin negative in- prefix was already attached, before the word was borrowed. The opposite of uncompleted is completed; i.e, finished, done (of activities). Completed is the past participle of the English verb complete, not a Latin verb.

What is the difference between Uncomplete and incomplete?

As adjectives the difference between uncompleted and incomplete. is that uncompleted is not completed while incomplete is .