Meanings
comparative more thoughtlessly · superlative most thoughtlessly
- Done without thinking.
He thoughtlessly invited her to come jogging, as he knew she hated exercise.
1 more example
The railway ran through the resort's narrow streets up to Weymouth Quay station, with thoughtlessly parked vehicles sometimes having to be bumped out of the way.
2023 December 27, Stephen Roberts, “Bradshaw's Britain: the way to Weymouth”, in RAIL, number 999, page 55
Synonyms & antonyms
adverbshowing thoughtlessness
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*teng-
- Proto-Germanic*þankijaną
- Proto-Germanic*þanhtaz
- Proto-West Germanic*þą̄ht
- Old Englishþōht
- Middle Englishthought
- Englishthought
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- Englishthoughtless
- Englishthoughtlessly
From thoughtless + -ly.
Full word history & related roots →Translations
Finnish ajattelemattomasti
- ajattelemattomastidone without thinking
German gedankenlos
- gedankenlosdone without thinking
Polish bezmyślnie, lekkomyślnie
- bezmyślniedone without thinking
- lekkomyślniedone without thinking
Spanish desconsideradamente, a las bravas
- desconsideradamentedone without thinking
- a las bravasdone without thinking
Swedish tanklöst
- tanklöstdone without thinking
Cite this entry
thoughtlessly. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/thoughtlessly
“thoughtlessly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thoughtlessly. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “thoughtlessly,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/thoughtlessly.
Source: thoughtlessly on Wiktionary, CC BY-SA 4.0.