dwindling

/D W IH1 N D AH0 L IH0 NG/
verb
  1. 1

    To decrease, shrink, diminish, reduce in size or intensity.

  2. 2

    To fall away in quality; degenerate, sink.

  3. 3

    To lessen; to bring low.

  4. 4

    To break up or disperse.

noun
  1. 1

    A gradual reduction to nothing.

adjective
  1. 1

    Declining; growing less

    โ€œThere is dwindling support for New Labour.โ€

Source: https://en.wiktionary.org/wiki/dwindle, https://en.wiktionary.org/wiki/dwindling