- Afrikaans: flous
- Aghwan: 𐔵𐔰𐕌𐔰𐕙𐔰 (zamara)
- Albanian: budalla (sq), idiot (sq) m, i marrë (sq)
- Arabic: مُغَفَّل m (muḡaffal), أَحْمَق m (ʔaḥmaq), سَفِيه m (safīh)
- North Levantine Arabic: جحش m (colloquial), حمار m (colloquial)
- Armenian: հիմար (hy) (himar)
- Asturian: tontu, neciu (ast), ñeciu (ast) m
- Avar: ахӏмакъ (aḥʳmaqxʼ), гӏабдал (ʻabdal)
- Azerbaijani: abdal, axmaq (az)
- Belarusian: ду́рань m (dúranʹ), кеп m (kjep)
- Bengali: মূর্খ (bn) (murkho), উন্দা বুন্দা (unda bunda), বোকা (bn) (bōka)
- Bulgarian: абда́л (bg) m (abdál), глупа́к (bg) m (glupák), глупа́чка f (glupáčka), тъпа́к (bg) m (tǎpák), тъпа́чка f (tǎpáčka), глупе́ц (bg) m (glupéc)
- Burmese: ဗာလ (my) (bala.)
- Catalan: beneit (ca) m, idiota (ca)
- Chichewa: chitsiru
- Chinese:
- Hokkien: 歁囝 (khám-kiáⁿ)
- Mandarin: 笨蛋 (zh) (bèndàn), 蠢貨/蠢货 (zh) (chǔnhuò), 蠢人 (zh) (chǔnrén), 呆子 (zh) (dāizi), 傻瓜 (zh) (shǎguā), 傻子 (zh) (shǎzi), 愚人 (zh) (yúrén)
- Chuvash: ухмах (uhmah)
- Czech: hlupák (cs) m, blázen (cs) m, šašek (cs), pošetilec (cs) m, blbec (cs) m, blb (cs) m, blboun (cs) m, pitomec (cs) m, ňouma (cs) m
- Danish: fjols n, tåbe n, grødhoved n, torsk (da) c
- Dutch: dwaas (nl) m, dwazin f, domme gans f, imbeciel (nl) m, imbeciele (nl) f
- Esperanto: malsaĝulo, stultulo (eo)
- Estonian: loll (et), narr, tobu (et), tola (et)
- Faroese: dári m, býttlingur m
- Finnish: ääliö (fi), daiju (fi) (slang), hassu (fi), höhlä (fi), hölmö (fi), höperö (fi), houkka (fi), hullu (fi), hupsu (fi), idiootti (fi), munapää (fi), narri (fi), pöhkö (fi), pöljä (fi), pöllö (fi), tampio (fi) (colloquial), taukki (fi) (colloquial), tollo (fi), tomppeli (fi), typerys (fi)
- French: andouille (fr) m or f (informal), abruti (fr) m, couillon (fr) m, dinde (fr) f (woman), imbécile (fr) m, idiot (fr) m, twit (fr) m (Quebec, informal), crétin (fr) m (informal), crétin (fr) m
- Galician: choucho m, parvo (gl) m, idiota m, paspán (gl) m, pallouco m, babeco (gl) m, doudo m, lores m, babiolo (gl) m, mascato m, bolonio m
- Georgian: სულელი (suleli), ბრიყვი (briq̇vi), დებილი (debili), იდიოტი (idioṭi)
- German: dumme Gans f, Dummkopf (de) m, Narr (de) m, Närrin (de) f, Pute (de) f (female), Tor (de) m, Törin (de) f, Trottel (de) m
- Alemannic German: Lööl m
- Gothic: 𐌿𐌽𐍅𐌹𐍄𐌰 m (unwita)
- Greek: ανόητος (el) m (anóitos)
- Ancient: ἄφρων (áphrōn), μωρός m (mōrós)
- Gujarati: મૂર્ખ (mūrkh), મૂરખ (mūrakh), ચોદુ (codu) (slang)
- Hebrew: גולם \ גֹּלֶם (he) m (gólem), טיפש (he) m (tipésh), שׁוֹטֶה (he) (shoté)
- Hindi: मूर्ख (hi) m (mūrkh)
- Hungarian: hülye (hu), bolond (hu)
- Icelandic: bjáni (is)
- Indonesian: bego (id), tolol (id)
- Ingrian: durakka, vohma, hapalka, oolo, tuhkuri, tuhkapää, tuhkapussi, foofana, bolvana
- Irish: amadán m, óinseach f, leibide f, baothán m
- Italian: stolto (it) m, buffone (it) m, stupido (it) m, cretino (it) m, imbecille (it) m, idiota (it) m, oca (it) f, scemo (it) m (familiar), sciocco (it) m
- Japanese: 愚か者 (ja) (おろかもの, orokamono), 惚け (ぼけ, boke), 馬鹿 (ja) (ばか, baka), 愚者 (ja) (ぐしゃ, gusha), あほ (ja) (aho), アホ (ja) (aho), 戯け (ja) (たわけ, tawake)
- Javanese: sontoloyo
- Kazakh: ақымақ (aqymaq)
- Khmer: ល្ងីល្ងើ (km) (lngii lngəə), មនុស្សល្ងីល្ងើ (mɔnuh lngii lngəə), អាភ្លើ (ʼaapləə), អាឃ្លោក (ʼaaklook), អាងោះ (ʼaangŭəh)
- Korean: 바보 (ko) (babo), 백치(白癡) (baekchi)
- Kyrgyz: акмак (ky) (akmak), келесоо (ky) (kelesoo)
- Lao: ຄົນໂງ່ (khon ngō)
- Latgalian: cuļss, nagudrais
- Latin: stultus (la) m, mōrus (la) m, mōra (la) f
- Latvian: duraks (lv) m, muļķis (lv) m, muļķe f, neprātis m, neprāte f, stulbenis m
- Lithuanian: kvailys (lt) m
- Macedonian: абдал m (abdal), будала f (budala)
- Malay: bodoh (ms)
- Maltese: iqarqu
- Maori: ngoungoua, hukehuke, hākawa, kāeaea, poroheahea, pōrewarewa, wawau
- Norwegian:
- Bokmål: tosk m, dust (no) m, tulling (no) m
- Old Norse: api m, fífl m
- Ottoman Turkish: طوی (toy)
- Persian: احمق (fa) (ahmaq), خنگ (fa) (xeng), ابله (fa) (ablah)
- Plautdietsch: Noa m
- Polish: głupek (pl) m, dureń (pl) m, głupiec (pl) m, tłumok (pl) m, bałwan (pl) m, bęcwał (pl) m, baran (pl) m, idiota (pl) m, tłumok (pl) m, pacan (pl) m, patafian (pl) m, matoł (pl) m, półgłówek (pl) m
- Portuguese: bobo (pt) m, burro (pt) (Brazil), idiota (pt) m or f, imbecil (pt) m or f, tolo (pt) m, pamonha (pt) m or f (Brazil, colloquial, derogatory)
- Romanian: prost (ro) m
- Russian: балбе́с (ru) m (balbés), болва́н (ru) m (bolván), деби́л (ru) m (debíl), ду́ра (ru) f (dúra) (female), дурачок (ru) m (duračok), дура́к (ru) m (durák), дурале́й (ru) m (duraléj), ду́рень (ru) m (dúrenʹ) (male), глупе́ц (ru) m (glupéc), идио́т (ru) m (idiót), идио́тка (ru) f (idiótka), тупи́ца (ru) m or f (tupíca)
- Sanskrit: दुर्मति (sa) m (durmati)
- Sardinian:
- Logudorese: ballaloi, grìnci
- Scottish Gaelic: amadan m, òinseach f
- Serbo-Croatian: bedak (sh) m, тупан m
- Cyrillic: глупак m, глупан m, будала m or f, луђак m, бузда m, абдал m
- Roman: glupak (sh) m, glupan (sh) m, budala (sh) m or f, luđak (sh) m, buzda m, abdal m
- Sicilian: babbu (scn) m
- Sinhalese: මෝඩයා (si) (mōḍayā), මැට්ටා (mæṭṭā)
- Slovak: blázon m, hlupák (sk) m, blbec (sk) m
- Slovene: norec (sl) m, neumnež m, bedak (sl) m, bizgec m, budalo n, bukselj m
- Somali: doqon
- Spanish: bobo (es) m, gilí (es) m or f, imbécil (es), necio (es) m, pendejo (es) m (vulgar), tonto (es) m, taba (es) m or f (Peru), gil (es) m, gila f, lonyipietro m (River Plate)
- Swahili: fala (sw), mjinga (sw), juha (sw)
- Swedish: dåre (sv) c, fåne (sv) n
- Tajik: аҳмақ (tg) (ahmaq), аблаҳ (tg) (ablah)
- Tamil: முட்டாள் (ta) (muṭṭāḷ)
- Thai: คนโง่ (kon-ngôo), ตุ่น (th) (dtùn), ควาย (th) (kwaai)
- Tocharian A: āknats
- Tocharian B: aknātsa
- Turkish: aptal (tr), budala (tr), salak (tr), ahmak (tr)
- Turkmen: paňkelle, samsyk
- Ukrainian: ду́рень (uk) m (dúrenʹ), те́лепень (uk) (télepenʹ), йо́лоп (uk) (jólop), кеп m (kep), ду́рник m (dúrnyk), бевзь (uk) m (bevzʹ)
- Urdu: مورکھ m (mūrkh)
- Uzbek: ahmoq (uz), tentak (uz)
- Vietnamese: thằng ngu, kẻ ngốc
- Yiddish: נאַר m (nar), שוטה m (shoyte), טיפּש m (tipesh), גולם m (goylem)
- Zazaki: gêc (diq)
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