Waned

The relationship between the two countries has waxed and waned over the years.

Dan's fortune waned.

The fortune of the interstitial military groups waxed and waned, for the exigencies of warfare were considerably high.

Tom's interest quickly waned.

Ziri waned a sandwich.

Because in the world the truth has waned, I set out one day to seek it, but wherever I went asking for it, they all said, "Seek elsewhere, for it has been so lost that we have not had any news of it, nor is it any longer among us."

The initial enthusiasm has waned.

My interest in you has waned.

Your interest waned when my finances dwindled.

His confidence waned as he faced the prospect of deep financial strain.