Thoughtlessly

adv. [f. prec. + -LY².] In a thoughtless manner; without thought or consideration; unreflectingly, carelessly, inconsiderately.

1714.  Garth, Dispensary, v. 59. In restless Hurries thoughtlessly they live.

1792.  V. Knox, Serm., vi. 133. He who runs on thoughtlessly in the mad career of pleasure.

1806.  Hutton, Course Math., I. 152. One thoughtlessly spends 10l. a year more than his pay.

1890.  Gross, Gild Merch., I. 104. The arbitrary interpretation … which came to be thoughtlessly accepted as a fact.