unthinking

[ uhn-thing-king ]
/ ʌnˈθɪŋ kɪŋ /

adjective

thoughtless; heedless; inconsiderate: an unthinking, tactless person.
indicating lack of thought or reflection: a dull, unthinking expression on his face.
not endowed with the faculty of thought: unthinking matter.
not exercising thought; not given to reflection: This book will not profit an unthinking person.
not thinking; unmindful: chores done in an unthinking manner.

Origin of unthinking

First recorded in 1670–80; un-1 + thinking

OTHER WORDS FROM unthinking

un·think·ing·ly, adverb un·think·ing·ness, noun

Definition for unthinking (2 of 2)

unthink
[ uhn-thingk ]
/ ʌnˈθɪŋk /

verb (used without object), un·thought, un·think·ing.

to end one's thought or reverse the process of thought.

verb (used with object), un·thought, un·think·ing.

to dispel from the mind: Unthink your thoughts.

Origin of unthink

First recorded in 1590–1600; un-2 + think1

Example sentences from the Web for unthinking

British Dictionary definitions for unthinking (1 of 2)

unthinking
/ (ʌnˈθɪŋkɪŋ) /

adjective

lacking thoughtfulness; inconsiderate
heedless; inadvertent it was done in an unthinking moment
not thinking or able to think

Derived forms of unthinking

unthinkingly, adverb unthinkingness, noun

British Dictionary definitions for unthinking (2 of 2)

unthink
/ (ʌnˈθɪŋk) /

verb -thinks, -thinking or -thought (tr)

to reverse one's opinion about
to dispel from the mind