thoughtless

adjectiveattested in dialogue

United Kingdom//ˈθɔːtləs//
United Kingdom//ˈθɔːtlɪs//
United States//ˈθɔtləs//
United States//ˈθɔtlɪs//
//ˈθɑtləs//

Marked by or showing lack of due thought or care.

adjective

1
Marked by or showing lack of due thought or care.
2
Inconsiderate, inattentive.
A thoughtless remark.
3
Lacking thought or consideration.
The debate turned into thoughtless bickering.
In thoughtless and breathless fear I rushed forward to avoid this host of demons, but while flying thus still more frightful and distorted shapes appeared, and I fancied I felt their hands clutching me.

Etymology

Etymology tree Proto-Indo-European *teng-der. Proto-Germanic *þankijaną Proto-Germanic *þanhtaz Proto-West Germanic *þą̄ht Old English þōht Middle English thought English thought Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English thoughtless From thought + -less.

Forms

comparative: more thoughtless
superlative: most thoughtless

though · Despite that; however.thought · A representation created in the mind without the use of one's…thoughtful · Demonstrating thought or careful consideration.

thoughtless · Marked by or showing lack of due thought or care.

thousand · A numerical value equal to 1,000 = 10 × 100 = 10³ (1 E+3…thrash · To beat mercilessly.Thrash · A surname.

The neighbouring pages — Alphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.