Adjective

(en adjective)

Alert, awake.

Aware.

* , chapter=5

, title= The Mirror and the Lamp , passage=Here, in the transept and choir, where the service was being held, one was conscious every moment of an increasing brightness; colours glowing vividly beneath the circular chandeliers, and the rows of small lights on the choristers' desks flashed and sparkled in front of the boys' faces, deep linen collars, and red neckbands.}}

*

Once again the animals were conscious of a vague uneasiness.

Aware of one's own existence; aware of one's own awareness.

* 1999 , Eckhart Tolle, The Power of Now , Hodder and Stoughton, pages 61–62:

The best indicator of your level of consciousness is how you deal with life's challenges when they come.  Through those challenges, an already unconscious person tends to become more deeply unconscious, and a conscious' person more intensely ' conscious .

Adjective

(-)

Capable of operating without external control or intervention.

The automatic clothes washer was a great labor-saving device

Done out of habit or without conscious thought.

The reaction was automatic : flight!

(of a firearm such as a machine gun) Firing continuously as long as the trigger is pressed until ammunition is exhausted.

(computing, of a local variable) Automatically added to and removed from the stack during the course of function calls.

(maths, of a group) Having one or more finite-state automata