Not having had practice or experience; inexperienced.

Not developed or refined; lacking skill.

अविकसित

English Usage: His unpracticed techniques in painting were evident in his early works.

Hindi Usage: उसके चित्रकला में अप्रशिक्षित तकनीकें उसके प्रारंभिक कामों में स्पष्ट थीं।