incogitant

adj.
Thoughtless; inconsiderate.

[Latin incōgitāns, incōgitant- : in-, not; see in-¹ + cōgitāns, present participle of cōgitāre, to think; see cogitate.]

(in-KOJ-i-tuhnt)

adjective
Thoughtless; inconsiderate.

Etymology
From Latin incogitant-, from cogitare (to think), from agitare (to agitate), from agere (to drive). Ultimately from Indo-European root ag- (to drive, draw) that's also the fount of such words as act, agent, agitate, litigate, synagogue, and ambassador.

Usage
"Setting aside the inane assumption that NASA and its co-conspirators were too incogitant to have thought of this, there are actually three sources of light: the sun, the earth (reflecting the sun) and the moon itself, which acts as a powerful reflector, particularly when you are standing on it." — Michael Shermer; Fox's Flapdoodle; Scientific American (Washington DC); Jun 1, 2001.

"Jimmy just nodded like some incogitant beast, looked down at the folio, and saw that the man had written J. Quirinus Publicas for his name." — Frederick Barrows; Hothouse Gods; Xlibris; 2003.

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