undeveloped, immature, early, unready, unripe
Another word for early is premature.
premature
premature and puerile, petty
IMMATUREHope this helps!PREMATURE is another word where you have "pre" as the preffix for the word "mature" creating the word "premature". The definition meaning "to happen too quickly" or "before it is suppose to".
The word "personality" can be a person's characteristics, or another word for a celebrity.(* the rarely used word "presenility" means premature mental debility)
Now that basturd was premature
my little brother was a premature
I saw a ten year old who looked premature
u0ouklo
preacox
pracox precox
maturus