letdown

"The child's disappointment was evident when he didn't get the toy he wanted for his birthday. "

"The consistent of the student's grades showed a steady improvement throughout the year. "

"I am seeing a red car parked across the street. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"Companies try to sell their products using advertisements in form of placards, television spots and print publications."

"The door closed by itself"

"The entomologist carefully tracked the activity of the nocturnal mothers in the field, hoping to understand their hunting patterns. "

"She stopped breastfeeding after a few months."

"The teacher monitored the students carefully during the exam to prevent cheating. "

"After weeks of building anticipation for the party, the actual event turned out to be an anticlimax, with only a few people showing up and the music system failing. "

"My parents are ensuring my younger sister gets to school on time every day. "

"The release of the trapped students from the burning building was a joyous occasion. "