Noun

(en noun)

Deficiency in amount or quality; a falling short; lack.

A situation wherein, or amount whereby, spending exceeds government revenue.

* 2013 September 28, , " London Is Special, but Not That Special," New York Times (retrieved 28 September 2013):

Economically, too, London is startlingly different. The capital, unlike the country as a whole, has no budget deficit : London’s public spending matches the taxes paid in the city. The average Londoner contributes 70 percent more to Britain’s national income than people in the rest of the country.

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Noun

(en noun)

The act of disturbing, being disturbed.

Something that disturbs.

That guy causes a lot of trouble, you know, he's such a disturbance .

An interruption of that which is normal or regular.

* {{quote-magazine, date=2012-01

, author=Donald Worster , title=A Drier and Hotter Future , volume=100, issue=1, page=70 , magazine= citation , passage=Phoenix and Lubbock are both caught in severe drought, and it is going to get much worse. We may see many such [dust] storms in the decades ahead, along with species extinctions, radical disturbance of ecosystems, and intensified social conflict over land and water. Welcome to the Anthropocene, the epoch when humans have become a major geological and climatic force.}}

(psychology) A serious mental imbalance or illness.