English Reference

Word

recklessness

Phoneticsreck·less·ness, stress on the first syllable

US/ˈɹɛkɫəsnəs/

UK/ɹˈɛkləsnəs/

Uncountable noun

Definition

n. the quality of being willing to take big risks without thinking about the possible dangers. It often describes someone who acts in a way that could hurt themselves or others.

n. the quality of acting in a way that shows no care for the dangers or the feelings of others. Often implies a lack of prudence or a deliberate disregard for safety.

Examples

“The driver's recklessness caused a serious accident.”

“The company's recklessness in ignoring safety warnings eventually led to a massive fine and a public scandal.”

“While some view the explorer's recklessness as a necessary trait for discovery, others argue that such a lack of caution is simply irresponsible and dangerous to the team.”

Examples

simple

“The driver's recklessness caused a serious accident.”

contextual

“The company's recklessness in ignoring safety warnings eventually led to a massive fine and a public scandal.”

complex

“While some view the explorer's recklessness as a necessary trait for discovery, others argue that such a lack of caution is simply irresponsible and dangerous to the team.”

Real-World Examples

“Touching this live rail was an act of bravery – or recklessness.”
The Guardian 1 Oct 2026
“It’ll probably settle down as his systems become deeper rooted but there was a sense of recklessness at times to their play.”
The Guardian 24 Aug 2026

Etymology

From Middle English reklesnes, reklesnesse, rekelesnesse (also assibilated as rechelesnes, reccheleesnesse), from Old English rēcelēasnes (“recklessness, carelessness, negligence”), equivalent to reckless + -ness.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

recklessness(B2)

ADJECTIVE

This entry

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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English Reference