How thoughtless of you to do that.
Source: tatoeba (15977)
Thoughtless
//ˈθɔtləs//
Synonyms for "thoughtless" (246 found)
Ranked by relevance and common usage.
Closest matches (50)
Strong matches (73)
fatuousfeatherbrainedfeatherheadedfecklessflakyflightyflippantflutteryfondfoolfoolhardyfoolheadedfoolishforgetfulfree and easyfrivolousfuddledfutilegagagiddy
Show 52 more words
giddy-brainedgiddy-headedgiddy-patedgiddy-wittedgoofygrasshoppergulledhalf assedhalf-assedhappy-go-luckyharebrainharebrainedhastyheedlesshotheadedidioticill-advisedill-consideredill-contrivedill-devisedill-gaugedill-judgedimbecileimpoliteimpoliticimprovidentimprudentinadeptinadvertentinadvisableinaneinaptinattentiveincautiousincogitantinconsiderateincuriousindifferentindiscreetinefficientineptinexpedientinexpertinfatuatedinjudiciousinobservantinsaneinsensateinsensibleinsensitiveinsouciantirrational
Adjective(1 words)
Related words (123)
kookylazylistlessloonymadmadcapmaudlinmediocremercilessmindlessmisadvisedmisguidedmoronicmyopicneglectfulnegligentnirvanicnuttyobliviousoffhand
Show 98 more words
overconfidentpassivepedestrianperfunctorypoorpromiscuousquietisticrashrattlebrainedrattleheadedrattlepatedreasonlessrecklessregardlessrelaxedremissrespectlessrudesappyscatterbrainedscramblebrainedscrewyselfishsenselesssentimentalsharpshatterbrainedshiftlessshort sightedshort-sightedshortsightedsillyskill lessskill-lessstupidtactlessthanklessthoughtfreethriftlesstranquilunaccommodatingunadvisedunaptuncalculatingunceremoniousuncomplaisantuncooperativeundeftundexterousundextrousundiplomaticundiscerninguneconomicalunfacileunforeseeingungraciousunguardedunheedfulunheedingunhelpfulunideaedunintellectualunintelligentunkindunmarkingunmindfulunnoticingunnotingunobligingunobservantunobservingunoccupiedunpreparedunproficientunprovidingunreadyunreasonableunreasoningunreflectingunremarkingunseeingunsensibleunskillfulunsolicitousunsounduntactfulunthinkingunthoughtfulunthriftyunwaryunwisevacantvacuouswackywetwildwitlesswrecking
Adjective(3 words)
Adjective(2 words)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Antonyms
1 entriesSynonyms
1 entriescoordinate
1 entriesderived
2 entriesderived from
2 entriesrelated to
6 entriessimilar
8 entriesTranslations
63 translations across 21 languages.
Ancient Greek
4 entries- ἀγνώμων adj (careless)
- ἀγνώμων adj (inconsiderate)
- ἀφρόντιστος adj (careless)
- ἀφρόντιστος adj (inconsiderate)
Bulgarian
4 entries- безразсъден adj (careless)
- безразсъден adj (lacking thought)
- невнимателен adj (inconsiderate)
- необмислен adj (careless)
Catalan
3 entries- descurat adj (careless)
- irreflexiu adj (careless)
- irreflexiu adj (lacking thought)
Chinese Mandarin
4 entries- 不周到的 adj (lacking thought)
- 不注意 adj (careless)
- 不體貼的 /不体贴的 adj (inconsiderate)
- 欠考慮的 /欠考虑的 adj (lacking thought)
Czech
3 entries- bezmyšlenkovitý adj (lacking thought)
- lehkomyslný adj (careless)
- neohleduplný adj (inconsiderate)
Esperanto
1 entries- senpripensa adj (lacking thought)
Finnish
4 entries- ajattelematon adj (careless)
- ajattelematon adj (inconsiderate)
- ajatukseton adj (lacking thought)
- merkityksetön adj (lacking thought)
French
3 entries- inattentionné adj (inconsiderate)
- irréfléchi adj (careless)
- irréfléchi adj (lacking thought)
Georgian
4 entries- დაუფიქრებელი adj (lacking thought)
- მოუსაზრებელი adj (lacking thought)
- უდარდელი adj (careless)
- უფიქრებელი adj (careless)
German
3 entries- gedankenlos adj (careless)
- gedankenlos adj (lacking thought)
- rücksichtslos adj (inconsiderate)
Italian
2 entries- irriflessivo adj (careless)
- irriflessivo adj (lacking thought)
Latin
1 entries- incōgitātus adj (inconsiderate)
Māori
4 entries- pakihaha adj (careless)
- pakirara adj (inconsiderate)
- wareware adj (careless)
- whakaarokore adj (careless)
Ottoman Turkish
2 entries- حسابسز adj (careless)
- دلی adj (inconsiderate)
Plautdietsch
1 entries- onbekjemmat adj (careless)
Polish
2 entries- bezmyślny adj (inconsiderate)
- lekkomyślny adj (careless)
Portuguese
1 entries- irreflexivo adj (lacking thought)
Russian
3 entries- безду́мный adj (careless)
- безрассу́дный adj (careless)
- легкомы́сленный adj (careless)
Scottish Gaelic
1 entries- coma adj (careless)
Spanish
3 entries- descuidado adj (careless)
- inconsiderado adj (inconsiderate)
- irreflexivo adj (lacking thought)
Swedish
4 entries- hänsynslös adj (careless)
- lättvindig adj (careless)
- oreflekterad adj (lacking thought)
- tanklös adj (lacking thought)
Sample sentences
13 total sentences available.
It's thoughtless of her to say so.
Source: tatoeba (41347)
What a thoughtless man to do that!
Source: tatoeba (41610)
The movie star ate crow many times because of all the thoughtless things she said.
Source: tatoeba (49568)
Showing 4 of 13 available sentences.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.