She ended the relationship because he was too immature.
Your immature actions resulted in your ban.
The thought was a rather immature one.
People were talking about how immature the boy was.
Immature can mean childish or stubborn. The immature boy did not want to tie his shoes, and then fell.
Well, you just did. Do you think that immature kid is responsible?
When immature people do not get their way, they often pule and complain.
I do think he's cute, but he's too immature for my taste.But is a conjunction.
One who rebels against the established system: "immature malcontents".
How about...... "That man in the movie acts very immature."
immature
He's a nice little boy, but a bit immature
The sophomoric boy had the best grades in his class, but behaved childish and immature out of school.
The intern's responses came across as trite and immature which disturbed both me and my boss.
You can use the word Truss in a sentence like this.