Definition of "dwindling"

Yes, I am aware of the dwindling suppy situation. The supplies meant for the Resistance had to be diverted at the last moment, so we never received them.

2017, BioWare, Mass Effect: Andromeda (Science Fiction), Redwood City: Electronic Arts, PC, scene: Reply Message: "Low Supplies?"

The first of the boys trapped in a Thai cave were rescued earlier today, and the mission has been temporarily suspended while teams restock supplies. But rescuers have a dwindling window of opportunity, with forecasters predicting the return of heavy monsoon rains in the coming days, effectively sealing off the cave until October.

2018 July 8, Euan McKirdy, Hilary Whiteman, “Thai cave rescue: Divers enter cave to free boys”, in edition.cnn.com‎, CNN, retrieved 2018-07-08