Noun

(en noun)

(obsolete) A defect or failing; moral or spiritual degeneracy.

*

, title=(The Celebrity), chapter=1 , passage=In the old days, to my commonplace and unobserving mind, he gave no evidences of genius whatsoever. He never read me any of his manuscripts, […], and therefore my lack of detection of his promise may in some degree be pardoned.}}

A deficiency or need (of something desirable or necessary); an absence, want.

* Shakespeare

Let his lack of years be no impediment.

* 1994 , (Green Day),

I went to a shrink, to analyze my dreams. He said it's lack of sex that's bringing me down.''

* {{quote-news, year=2012, date=September 7, author=Phil McNulty, work=BBC Sport

, title= Moldova 0-5 England , passage=If Moldova harboured even the slightest hopes of pulling off a comeback that would have bordered on miraculous given their lack of quality, they were snuffed out 13 minutes before the break when Oxlade-Chamberlain picked his way through midfield before releasing Defoe for a finish that should have been dealt with more convincingly by Namasco at his near post.}}

Noun

A lack of thought or thinking.

* Glanvill

'Tis folly and incogitancy to argue anything, one way or the other, from the designs of a sort of beings with whom we so little communicate.

* 1793 June 9, Thomas Jefferson, letter to James Madison:

The motion of my blood no longer keeps time with the tumult of the world. It leads me to seek for happiness in the lap and love of my family, in the society of my neighbors & my books, in the wholesome occupations of my farm & my affairs, in an interest or affection in every bud that opens, in every breath that blows around me, in an entire freedom of rest or motion, of thought or incogitancy , owing account to myself alone of my hours & actions.