lightening

American  

[lahyt-n-ing] / ˈlaɪt n ɪŋ /

noun

Medicine/Medical.

1. the descent of the uterus into the pelvic cavity, occurring toward the end of pregnancy, changing the contour of the abdomen and facilitating breathing by lessening pressure under the diaphragm.

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lightening British  

/ ˈlaɪtənɪŋ /

noun

1. obstetrics the sensation, experienced by many women late in pregnancy when the head of the fetus enters the pelvis, of a reduction in pressure on the diaphragm, making it easier to breathe

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Etymology

Origin of lightening

First recorded in 1520–30; lighten ² + -ing ¹

Compare meaning

How does lightening compare to similar and commonly confused words? Explore the most common comparisons:

• lightning vs. lightening

Example Sentences

See Examples For:

lightening

Levanon said he can’t prove it yet, but he’s convinced it’s the lightening speed and adoption of artificial intelligence.

From MarketWatch ● Aug. 20, 2026

The data, from the workforce analytics and productivity-tracking software company ActivTrak, found that AI is making workloads more intense, not lightening them.

From The Wall Street Journal ● Mar. 18, 2026

Gupta, Smyth and Armlovich have all publicly opposed a rent freeze, unless some other action is taken to ease landlord expenses like lightening property taxes or insurance costs.

From The Wall Street Journal ● Dec. 18, 2025

"Information like that is a bolt of lightening to us," he tells me.

From BBC ● Jun. 26, 2025

I watch him so cl ose, I begin to feel a lightening in the head.

From "The Color Purple" by Alice Walker

Related Words

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• assistance
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