lack
noun
an absence or inadequate amount of something needed, desirable, or customary.
is lacking
-
present progressiveof lack (3rd person singular).present progressive
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When cardiolipin is lacking, mitochondria struggle to generate sufficient energy.
From Science Daily ● Oct. 28, 2026
He said funding for repairing and upgrading the courts was not included in any council capital plans - and the club believes other towns have facilities that Derry is lacking.
From BBC ● Sep. 9, 2026
But even if some historical nuance is lacking, the lavish works in “India’s Great Mughals” brilliantly capture the artistic and cultural sophistication that for centuries has ensured the Mughals’ enduring popularity.
From The Wall Street Journal ● Jul. 11, 2026
And especially in the United States -- with its expensive, sprawling healthcare system -- the broader social structures to care for this growing population of people with dementia is lacking, the doctor told AFP.
From Barron's ● Jun. 15, 2026
They would just think that this was an empty thing, that that’s what’s supposed to be, that there’s something perfectly normal about a thing that exists entirely because it is lacking something.
From "Breadcrumbs" by Anne Ursu
