Disinterest

The teacher's disinterest in teaching made the students lose their enthusiasm for learning.

The student's disinterest in math was reflected in his low grades.

The disinterest of the audience was noticeable during the boring presentation.

The team's disinterest in the project caused delays in its completion.

The manager's disinterest in customer complaints resulted in a decrease in sales.

His disinterest in the movie was evident from his bored expression.

The team's disinterest in the game was evident as they made careless mistakes.