dwindle - definition and synonyms

verb [intransitive] 

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present tense
present participledwindling
past tensedwindled
past participledwindled
  1. to become gradually less or smaller over a period of time until almost nothing remains
    dwindle to:

    Water supplies have dwindled to their lowest level in ten years.

    dwindle away:

    Her hopes for success dwindled away to nothing.