go down the toilet

dwindle

verb

Diminish gradually in size, amount, or strength.

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dwindled

verb

Diminish gradually in size, amount, or strength.

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dwindles

verb

Diminish gradually in size, amount, or strength.

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deteriorates

verb

Become progressively worse.

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deteriorated

verb

Become progressively worse.

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deteriorate

verb

Become progressively worse.

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degenerating

verb

Decline or deteriorate physically, mentally, or morally.

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degenerated

verb

Decline or deteriorate physically, mentally, or morally.

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