One hour of thoughtlessness can cause years of tears.
Source: tatoeba (453481)
Thoughtlessness
//ˈθɔtləsnɪs//
Synonyms for "thoughtlessness" (175 found)
Ranked by relevance and common usage.
Closest matches (35)
Strong matches (53)
foolishnessforgetfulnessfrivolityfrivolousnessgiddinessgoofinesshastinessheedlessnessidiocyimbecilityimmaturityimprovidenceimprudenceinabilityinadeptnessinadequacyinadvertenceinadvertencyinadvisabilityinanity
Show 31 more words
inaptitudeinaptnessinattentioninattentivenessincapabilityincapacityincompetenceincompetencyinconsideratenessincuriosityindexterityindifferenceindiscreetnessindiscretionineffectivenessineffectualityinefficiencyineptitudeineptnessinexpedienceinjudiciousnessinobservanceinsanityinsoucianceirrationalitylack of foresightlax stewardshiplazinesslevitylightmindednesslunacy
Noun(2 words)
Related words (87)
madnessmaladjustmentmaladroitnessmediocritymercurialitymindlessnessnegligenceniaiserienirvananonobservancenugacitynuttinessoblivionobliviousnessoffhandednesspassivitypedestrianismperfunctorinesspompousnesspoor husbandry
Show 66 more words
puerilityqueernessquietismreasonlessnessrecklessnessregardlessnessrustinesssappinessscrewinesssenselessnessshallownessshiftlessnesssillinessskill-lessnesssprezzaturastuffinessstupiditysuperficialitytabula rasatactlessnessthriftlessnesstranquillitytriflingnesstrivialityunaccommodatingnessunalertnessunaptnessunawarenessunclevernessunconsciousnessundeftnessundexterousnessundextrousnessunfitnessunfittednessunheedfulnessunhelpfulnessunintelligenceunintentivenessunmindfulnessunobligingnessunobservanceunpreparednessunproficiencyunreadinessunreasonunreasonablenessunschoolednessunsensiblenessunskillfulnessunsolicitousnessunsolicitudeunsoundnessunthinkingnessuntrainednessunwarinessunwatchfulnessunwisdomunwisenessvacancyvolatilitywackinessweirdnesswitlessnesszaninesszanyism
Noun(1 words)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
2 entriesAntonyms
2 entriesSynonyms
2 entriesderived from
1 entriesrelated to
5 entriesTranslations
29 translations across 14 languages.
Ancient Greek
2 entries- ἀβουλία noun (heedless disregard for the consequences of one's actions)
- ἀλογιστία noun (heedless disregard for the consequences of one's actions)
Catalan
1 entries- desconsideració noun (disregard for other's feelings)
Czech
2 entries- bezohlednost noun (disregard for other's feelings)
- lehkomyslnost noun (heedless disregard for the consequences of one's actions)
Finnish
3 entries- ajattelemattomuus noun (disregard for other's feelings)
- ajattelemattomuus noun (heedless disregard for the consequences of one's actions)
- välinpitämättömyys noun (heedless disregard for the consequences of one's actions)
French
3 entries- déconsidération noun (disregard for other's feelings)
- inconsidération noun (disregard for other's feelings)
- irréflexion noun (heedless disregard for the consequences of one's actions)
Greek
1 entries- ασυλλογισιά noun (heedless disregard for the consequences of one's actions)
Hungarian
4 entries- figyelmetlenség noun (disregard for other's feelings)
- meggondolatlanság noun (heedless disregard for the consequences of one's actions)
- tapintatlanság noun (disregard for other's feelings)
- vigyázatlanság noun (heedless disregard for the consequences of one's actions)
Latin
1 entries- temeritās noun (heedless disregard for the consequences of one's actions)
Manx
4 entries- antort noun (disregard for other's feelings)
- antort noun (heedless disregard for the consequences of one's actions)
- meehastid noun (disregard for other's feelings)
- meerioose noun (disregard for other's feelings)
Norwegian Nynorsk
1 entries- tankeløyse noun (heedless disregard for the consequences of one's actions)
Polish
1 entries- bezmyślność noun (heedless disregard for the consequences of one's actions)
Slovak
1 entries- ľahkomyseľnosť noun (heedless disregard for the consequences of one's actions)
Spanish
3 entries- desconsideración noun (disregard for other's feelings)
- inconsideración noun (disregard for other's feelings)
- irreflexión noun (heedless disregard for the consequences of one's actions)
Vietnamese
2 entries- bàng quan noun (disregard for other's feelings)
- thờ ơ noun (disregard for other's feelings)
Sample sentences
2 total sentences available.
Leaving the children alone was sheer thoughtlessness.
Source: tatoeba (2267513)
Keep exploring
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.