Pronunciation: (lak),[key] —n. 1. deficiency or absence of something needed, desirable, or customary: lack of money; lack of skill. 2. something missing or needed: After he left, they really felt the lack.
—v.t. 1. to be without or deficient in: to lack ability; to lack the necessities of life. 2. to fall short in respect of: He lacks three votes to win.
—v.i. 1. to be absent or missing, as something needed or desirable: Three votes are lacking to make a majority. 2. lack in, to be short of or deficient in: What he lacks in brains, he makes up for in brawn.