polysynthetic

"He measured his success relatively, that is, competitively."

"His sudden appearance surprised me."

"The box containing my old toys was stored in the attic. "

"The birds had built an amazing structure out of sticks and various discarded items."

"The magnification of the image in the microscope allowed the student to see the tiny cells clearly. "

"My sister, typically, wakes up early for school. "

"Deaf and mute people communicate using languages like ASL."

"The store displayed the new fall clothing in its front window. "

"The word "unhappiness" has multiple morphemes: "un-," "happy," and "-ness." "

"The high prevalence of cell phone use in schools is a growing concern for teachers. "

"Hey, beautiful!"

"The teacher characterized the student as disruptive in class. "