I knew I should never have gotten involved with your harebrained scheme.
Source: tatoeba (4215218)
Harebrained
Synonyms for "harebrained" (239 found)
Ranked by relevance and common usage.
Closest matches (48)
Adjective(48 words)
addlebrainedaddlepatedairheadedass-brainedbee-brainedbeef-wittedbeefheadedbeetle-headedbirdbrainedblockheadedboeotianboneheadedboofheadedbrainlessbubbleheadedbuffle-headedbullet-headedcerebrally challengedchildishchowderheaded
Show 28 more words
chuckleheadedcrackbrainedcretinousdensedenteddimdim-bulbdim-headeddim-witteddoltishdopeydozydrowsydulldull-headeddull-mindeddull-witteddumbdumb as a bag of hammersdumb as a box of rocksdumb as a doorknobdumb as a postdumb as a sack of hammersdumb as an oxdumb as dirtdumber than a box of rocksdumber than a rockdunderheaded
Strong matches (72)
Adjective(72 words)
empty-headedfatheadedfeeble-mindedflea-brainedfoolishfuckwittedfuzzy-headedfuzzy-mindedhalf-brainedhalf-wittedhammer-headedidioticimbecilicinaneinsipidintellectually challengedknuckleheadedlamebrainedlowbrowlumpish
Show 52 more words
lunkheadedmentally challengedmentally retardedmindlessmonosynapticmoronicmuttonheadednitwittednot the sharpest crayon in the boxnot the sharpest knife in the drawernot the sharpest tool in the shednumbskulledoafishobtusepeabrainedprattypudding-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-headed
Related words (119)
Adjective(34 words)
absurdadventurousarbitraryaudaciousbalmyboldbrainlesscapriciouscrankycrazycrotchetydaredevildaringdeath-defyingdillydizzyempty headedempty-headedfancifulfantasied
Show 63 more words
fantasticfantasticalfeatherbrainedfeatherheadedfire-eatingflakyflightyflutteryfoolhardyfoolishforwardfreakishfribblefrivolousgagagiddygiddy-brainedgiddy-headedgiddy-patedgiddy-wittedharebrainhoity toityhumorsomeinadvisableinsanekinkyloonymadbrainmadbrainedmadcapmaggotymoodymotivelessnotionalpetulantpottypreposterouspresumptuousquirkyrattlebrainedrattleheadedrattlepatedsappyscatterbrainedscramblebrainedshatterbrainedsillyskittishtemperamentalthoughtlesstomfoolunreasonableunrestrainedvagariousvagrantwackywantonwaywardwhimsicalwildwild-asswitlessyeasty
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Translations
3 translations across 2 languages.
Bulgarian
2 entries- вятърничав adj (featherbrained or scatterbrained)
- лекомислен adj (featherbrained or scatterbrained)
Serbo-Croatian
1 entries- pilećeg mozga adj (featherbrained or scatterbrained)
Sample sentences
5 total sentences available.
Is this another one of your harebrained ideas?
Source: tatoeba (9752553)
We realised that our austerity policies were completely harebrained.
Source: tatoeba (11588064)
“Now why do I get the feeling we're not talking about the harebrained plan you came up with?” “It wasn't harebrained.” “Did it have you going within twenty feet of a whorehouse at night, unchaperoned?” He knew darn well it did.
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.