His lack of interest in the project showed a sense of ______, making it difficult for others to motivate him.

The teacher decided to ______ the students' phones during the test to prevent any cheating.

His performance was so outstanding that the judges deemed it ______, leaving no room for improvement.

As a ______ in the art class, she was still learning the basic techniques of painting.

After the team lost the championship game, the players were too upset to celebrate, and they continued to ______ their loss for days.

The comedian's jokes were so ______ that the audience couldn't stop laughing, even after the show ended.

The weather forecast predicted that the storm would ______ several times throughout the week, causing concern among residents.

His proposal was met with a sharp ______, as everyone felt it was not a suitable option.

The scientist believed that this formula could have ______ applications, benefiting people in various fields.

In mathematics, a ______ is a symbol, such as x or y, that represents an unknown value in an equation.