The definition of preliminary is something that happens or comes before the main action.
(Slang, of a person) Disturbing or unnerving, often in such a way that others may suspect them of intending physical or sexual harm or harassment.
Indicating a lack of confidence or certainty; hesitant:
Not finished; not completed or perfected; incomplete
Not having attained a high degree of skill:
Not perfected, elaborated, or completed
Find another word for unperfected. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for unperfected, like: preliminary, rough, sketchy, tentative, unfinished, unpolished and start.