Word
thoughtless
Phoneticsthought·less, stress on the first syllable
US/ˈθɔtɫəs/
UK/θˈɔːtləs/
Definition
adj. not thinking about how your actions might hurt or bother other people. You use this to describe someone who acts without care or consideration.
adj. lacking consideration for the feelings, needs, or safety of others. Often used to describe actions or people that are careless or inconsiderate.
Examples
“His thoughtless comment made everyone in the room uncomfortable.”
“Leaving the front door unlocked was a thoughtless act that put the whole family at risk.”
“The architect's thoughtless design ignored the local community's concerns about noise and traffic, leading to a significant protest from the residents.”
Examples
simple
“His thoughtless comment made everyone in the room uncomfortable.”
contextual
“Leaving the front door unlocked was a thoughtless act that put the whole family at risk.”
complex
“The architect's thoughtless design ignored the local community's concerns about noise and traffic, leading to a significant protest from the residents.”
Real-World Examples
“RMIT study co-author Associate Professor Carol Tan said that despite this trend, it was important to understand that ultra-fast-fashion shopping was not simply thoughtless or impulsive.” Etymology
From thought + -less.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Occasional
- Level
- B2 · Upper Intermediate
- Updated
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QR code
englishreference.com/q/thoughtless