"I was so tired that I fell asleep at the computer and bumped my forehead on the keyboard."
He has an enlarged pore on his forehead.
you have a huge blemish on your forehead!
I cant see my forehead!
I smacked him in the head hard.
Please don't wrinkle my homework. The aging actress fretted over every new wrinkle on her forehead.
He had a contused wound on the forehead half an inch across.
After P.E. that day, I wiped perspire off my forehead!
His forehead pursed in pensive thought, the young man contemplated life.
Jack had metal in his forehead because he cracked his head open when he was 2 years old.
A good way to use retentive in a sentence is... "How do you use the word retentive in a sentence?"
use it by saying- how can you use the word ebullient in a sentence?
How do you use the word gerontology in a sentence?