Is this your crossword clue?
"thoughtless" is also used as a crossword clue. If that's what you saw, the answer is often inconsiderate (13 letters).
Definitions
without care or thought for others
Word origin
From thought + -less.
Used in a sentence
“A thoughtless remark.”
“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.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Inconsiderate”11 letters
Not quite right?
"Search similar patterns."
T__________