noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
General-American:/ˈkɛɹləsnəs/
Received-Pronunciation:/ˈkɛələsnəs/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:K EH1 R L AH0 S N AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Lack of care; the state or quality of being careless.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
This accident was caused by carelessness.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
failure to act with the prudence that a reasonable person would exercise under the same circumstances
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Etymology tree Proto-Indo-European *ǵeh2r-der. Proto-Germanic *karō Proto-West Germanic *karu Old English caru 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 Old English carlēas Proto-Germanic *-in- Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-yéti Proto-Indo-European *-eh2yéti Proto-Indo-European *-h2ti Proto-Germanic *-ōną Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Old English carlēasnes Middle English *carelesnes English carelessness From Middle English *carelesnes, *carlesnesse, from Old English carlēasnes (“freedom from care, security, carelessness”), equivalent to careless + -ness.
Across languages
Translations
60 source translations are retained for this English entry.
Bulgarian:
лекомисленост
(lekomislenost)
— lack of care
Catalan:
descurança
— lack of care
Catalan:
negligència
— lack of care
Catalan:
desídia
— lack of care
Chinese Mandarin:
粗心
(cūxīn)
— lack of care
Chinese Mandarin:
大意
(dàyì)
— lack of care
Chinese Mandarin:
草率
(cǎoshuài)
— lack of care
Czech:
lehkomyslnost
— lack of care
Czech:
nedbalost
— lack of care
Czech:
ledabylost
— lack of care
Dutch:
onvoorzichtigheid
— lack of care
Dutch:
onoplettendheid
— lack of care
Dutch:
achteloosheid
— lack of care
Esperanto:
malzorgeco
— lack of care
Esperanto:
senzorgeco
— lack of care
Finnish:
huolimattomuus
— lack of care
Finnish:
varomattomuus
— lack of care
French:
négligence
— lack of care
French:
incurie
— lack of care
German:
Unvorsichtigkeit
— lack of care
German:
Leichtsinn
— lack of care
Greek:
απροσεξία
(aprosexía)
— lack of care
Hindi:
लापरवाही
(lāparvāhī)
— lack of care
Hindi:
निश्चिंतता
(niścinttā)
— lack of care
Hindi:
बेफ़िक्री
(befikrī)
— lack of care
Irish:
leibideacht
— lack of care
Italian:
negligenza
— lack of care
Japanese:
軽率
(kēsotsu)
— lack of care
Japanese:
不注意
(fuchūi)
— lack of care
Japanese:
油断
— lack of care
Kazakh:
абайламаушылық
(abailamauşylyq)
— lack of care
Kazakh:
абайсыздық
(abaisyzdyq)
— lack of care
Kazakh:
аңғалдық
(añğaldyq)
— lack of care
Kazakh:
алаңғасарлық
(alañğasarlyq)
— lack of care
Kazakh:
қамсыздық
(qamsyzdyq)
— lack of care
Kazakh:
бейқамдық
(beiqamdyq)
— lack of care
Kazakh:
ұқыпсыздық
(ūqypsyzdyq)
— lack of care
Latin:
indīligentia
— lack of care
Latin:
incūria
— lack of care
Latin:
neglegentia
— lack of care
Polish:
lekkomyślność
— lack of care
Polish:
bezmyślność
— lack of care
Portuguese:
descuido
— lack of care
Portuguese:
negligência
— lack of care
Romanian:
nepăsare
— lack of care
Russian:
беззабо́тность
(bezzabótnostʹ)
— lack of care
Russian:
легкомы́сленность
(lexkomýslennostʹ)
— lack of care
Russian:
легкомы́слие
(lexkomýslije)
— lack of care