thoughtlessness

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈθɔːtləsnɪs/

thought•less /ˈθɔtlɪs/USA pronunciation adj.

lacking in or not showing care or consideration for others:a thoughtless remark about her bruised face.
not thinking enough;
careless:thoughtless about his health.

thought•less•ly, adv. : Someone thoughtlessly double-parked here.
thought•less•ness, n. [uncountable]

thought•less (thôt′lis),USA pronunciation adj.

lacking in consideration for others;
inconsiderate;
tactless:a thoughtless remark.
characterized by or showing lack of thought:a shallow, thoughtless book.
not thinking enough;
careless or heedless:thoughtless of his health.
devoid of or lacking capacity for thought.

thought′less•ly, adv.
thought′less•ness, n.

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