expensive

"They lavished money on the dinner."

"The students used library resources like books and computers to complete their research project. "

"He unnecessarily repeated much of what others had covered."

"I have a house and a car."

"The algorithm for calculating the average test score in class involved adding all the scores together and then dividing by the number of students. "

"It will cost you a lot of money to take a trip around the world."

"The teacher's presentation was incredibly engaging; everyone listened intently. "

"He became a profligate, gambling away his inheritance and alienating his family with his reckless behavior. "

"The entire class was excited for the field trip. "

"The runner was expending a lot of energy during the marathon. "

"The shift of the supplier gave us a saving of 10 percent."

"My favorite part of school is playing sports like basketball and soccer. "