Definition of "drought"

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.

2012 January, Donald Worster, “A Drier and Hotter Future”, in American Scientist‎, volume 100, number 1, archived from the original on 26 January 2012, page 70

Kane had been going through something of a drought by his own standards. His previous England goal came 500 days ago, in a Euro 2020 qualifier against Kosovo, and his header in Tirana ended a run of 496 minutes without scoring.

2021 March 28, Phil McNulty, “Albania 0-2 England”, in BBC Sport‎

Thus I was; in the day the drought consumed me, and the frost by night; and my sleep departed from mine eyes.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Genesis 31:40

The consequences are, that a few days of severe drought, in the early parts of summer, or even when the grain is ripening, is sometimes fatal to the crop on moss.

1814, The Right Honorable Sir John Sinclair, chapter XI, in Appendix to the General Report of the Agricultural State, and Political Circumstances, of Scotland, page 16

The seasons most unfavourable to the crop are those of excessive drought or excessive rain.

1817, Adam Smith, chapter V, in An Inquiry into the Nature and Causes of the Wealth of Nations, volume 2, page 344