This is going to sound completely fatuous, but it's my honest answer.
Source: tatoeba (2654394)
Fatuous
//ˈfæt.ju.əs//
Synonyms for "fatuous" (271 found)
Ranked by relevance and common usage.
Closest matches (55)
Adjective(25 words)
addlebrainedaddlepatedairheadedass-brainedbarmybee-brainedbeef-wittedbeefheadedbeetle-headedbirdbrainedblockheadedboeotianboneheadedboofheadedbrainlessbubbleheadedbuffle-headedbullet-headedcerebrally challengedchildish
Show 5 more words
Adjective(1 words)
Strong matches (81)
Adjective(40 words)
Adjective(1 words)
Related words (135)
ineffectiveineffectualinefficaciousineptinfatuatedinoperativeinsaneinsensateinvalidkookylightloonymadmaudlinmeaninglessmoronicnirvanicnugaciousnugatorynutty
Show 54 more words
obliviousof no forceotiosepassivephantomlikepointlesspreposterousquietisticrarefiedrelaxedsappyscrewysenselesssentimentalshadowyshallowsillyslenderslightsoftspirituoussterilestupidsubtilesubtlesuperficialtenuousthoughtfreethoughtlesstranquiltriflingtritetrivialunavailingunideaedunintellectualunoccupiedunrealunreasonableunreasoningunthinkingunwiseunwittyuselessvacantvacuousvainvapidvaporouswackyweak-mindedwetwindywitless
Adjective(61 words)
insipidintellectually challengedknuckleheadedlamebrainedlowbrowlumpishlunkheadedmentally challengedmentally retardedmindlessmonosynapticmoronicmuttonheadednittynitwittednot the sharpest crayon in the boxnot the sharpest knife in the drawernot the sharpest tool in the shednumbskulledoafish
Show 41 more words
obtusepeabrainedprattypudding-headedpuerilepurblindquarter-wittedretardedrockheadedsharp as a bowling ballsheep-headedshit-for-brainssimpleslowslow on the uptakeslow-wittedsmooth-brainedstolidstupidthickthick as a brickthick as a plankthick as a whale omelettethick as champthick as mincethick as pig shitthick as two short planksthick-skulledthickheadedthickwittedunapprehensiveuncleverunintelligentunsmartvacantvacuouswitlesswooden-headedwool-headedwoolly-headedwoolly-minded
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Synonyms
2 entriesRelated terms
4 entriesderived
1 entriesderived from
1 entriesrelated to
6 entriessimilar
1 entriesTranslations
49 translations across 23 languages.
Armenian
1 entries- տխմար adj (obnoxiously stupid)
Bulgarian
2 entries- безсми́слен adj (obnoxiously stupid)
- глу́пав adj (obnoxiously stupid)
Chinese Mandarin
3 entries- 愚昧 adj (obnoxiously stupid)
- 愚笨 adj (obnoxiously stupid)
- 蠢的 adj (obnoxiously stupid)
Czech
2 entries- hloupý adj (obnoxiously stupid)
- pitomý adj (obnoxiously stupid)
Dutch
2 entries- dwaas adj (obnoxiously stupid)
- onwijs adj (obnoxiously stupid)
Estonian
1 entries- kohtlane adj (obnoxiously stupid)
Finnish
2 entries- typerä adj (obnoxiously stupid)
- älytön adj (obnoxiously stupid)
French
3 entries- imbécile adj (obnoxiously stupid)
- niais adj (obnoxiously stupid)
- stupide adj (obnoxiously stupid)
German
2 entries- albern adj (obnoxiously stupid)
- töricht adj (obnoxiously stupid)
Greek
2 entries- ανόητος adj (obnoxiously stupid)
- κουτός adj (obnoxiously stupid)
Hungarian
4 entries- balga adj (obnoxiously stupid)
- dőre adj (obnoxiously stupid)
- oktalan adj (obnoxiously stupid)
- oktondi adj (obnoxiously stupid)
Indonesian
3 entries- bodoh adj (obnoxiously stupid)
- dungu adj (obnoxiously stupid)
- tolol adj (obnoxiously stupid)
Irish
4 entries- amadánta adj (obnoxiously stupid)
- baoth adj (obnoxiously stupid)
- baothánta adj (obnoxiously stupid)
- díchéillí adj (obnoxiously stupid)
Italian
1 entries- fatuo adj (obnoxiously stupid)
Japanese
1 entries- 愚かな adj (obnoxiously stupid)
Latin
2 entries- fatuus adj (obnoxiously stupid)
- stultus adj (obnoxiously stupid)
Macedonian
2 entries- бе́смислен adj (obnoxiously stupid)
- глу́пав adj (obnoxiously stupid)
Plautdietsch
1 entries- sennlooss adj (obnoxiously stupid)
Polish
2 entries- głupi adj (obnoxiously stupid)
- niedorzeczny adj (obnoxiously stupid)
Portuguese
1 entries- fátuo adj (obnoxiously stupid)
Russian
3 entries- бессмы́сленный adj (obnoxiously stupid)
- глу́пый adj (obnoxiously stupid)
- дура́цкий adj (obnoxiously stupid)
Scottish Gaelic
3 entries- amaideach adj (obnoxiously stupid)
- baoth adj (obnoxiously stupid)
- gòrach adj (obnoxiously stupid)
Spanish
1 entries- fatuo adj (obnoxiously stupid)
Sample sentences
5 total sentences available.
Don't be fatuous, Tom.
Source: tatoeba (10478492)
Those were fatuous words.
Source: tatoeba (10808889)
A fatuous love affair can easily result in a fatuous marriage. A couple who hardly know each other and, indeed, may not even really like each other, make a commitment that has little chance of being honoured.
Source: wiktionary
Showing 4 of 5 available sentences.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.