counterweight

"Somebody in a team who does not do their fair share of the work."

"The sudden lowering of her brow signaled her displeasure with the messy room. "

"The tall building has four elevators to help people reach the higher floors quickly. "

"The bird's nest was a concrete example of how strong and carefully constructed things can be. "

"The teacher's encouraging words were an elevator for my confidence. "

"The student's opposition to the new school rules caused a disruption. "

"The new road is much smoother than the old one, making the drive more comfortable. "

"The student recited the poem mechanically, without any emotion or understanding. "

"When his mother said he couldn't go to the party, Michael lowered, making it clear he was unhappy. "

"to reduce weight, speed, heat, expenses, price, personnel etc."

"The old drawbridge used large counterweights to make it easier to lift the heavy roadbed for passing boats. "

"to raise your hand if you want to say something; to raise your walking stick to defend yourself"