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are lacking
  • present progressive of lack.

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.

One pathway works quickly through the nervous system, rapidly alerting the brain that essential amino acids are lacking.

From Science Daily • May 28, 2026

Somaliland officials have said their soil is rich in lithium, coltan and other sought-after resources, though independent studies are lacking.

From Barron's • Feb. 22, 2026

If NIL funds are lacking, discuss this with the wealthy donors.

From Los Angeles Times • Jan. 10, 2026

If you look at where they are in the table, 11th, then they are doing all right but it is their performances that are lacking something.

From BBC • Dec. 18, 2025

“Maybe our buildings are lacking in originality,” Pa admitted.

From "The Seven Wonders of Sassafras Springs" by Betty G. Birney