Waned

Her confidence waned after the repeated failures.

The effectiveness of that educational program waned as it failed to produce measurable outcomes.

The sun's intensity waned as the day progressed.

The singer's voice waned towards the end of the concert.

The strength of the storm waned as it moved further inland.

The use of flip phones waned as smartphones became more prevalent.

The excitement about the vacation waned as the weather forecast predicted rain.

The motivation to exercise waned after the initial excitement.

The enthusiasm for the new product waned after the first week.

The excitement of the crowd waned as the game went on without any goals.

The support for the political candidate waned after the scandal.

The color of the sky waned from blue to orange during the sunset.

Interest in the movie waned as the plot became more convoluted.

The sound of the music waned as the party ended.

The popularity of the trend has waned in recent months.

The effects of the medicine waned after a few hours.

The athlete's performance waned towards the end of the season.