| English | eng-000 |
| inefficient | |
| toskërishte | als-000 | inefiçent |
| العربية | arb-000 | خائب |
| العربية | arb-000 | غير كفء |
| Universal Networking Language | art-253 | inefficient |
| Universal Networking Language | art-253 | inefficient(icl>adj,ant>efficient) |
| Universal Networking Language | art-253 | inefficient(icl>adj,equ>ineffective) |
| U+ | art-254 | 46E0 |
| বাংলা | ben-000 | ̃বতী |
| বাংলা | ben-000 | ̃শলিনী । ̃শূন্য |
| বাংলা | ben-000 | ̃হীন |
| বাংলা | ben-000 | অসফল |
| বাংলা | ben-000 | আনাড়ি |
| বাংলা | ben-000 | কম |
| বাংলা | ben-000 | খাটো |
| čeština | ces-000 | marný |
| čeština | ces-000 | neefektivní |
| čeština | ces-000 | nepůsobivý |
| čeština | ces-000 | neschopný |
| čeština | ces-000 | nevýkonný |
| čeština | ces-000 | neúčinný |
| čeština | ces-000 | zbytečný |
| سۆرانی | ckb-000 | لێ نههاتوو |
| سۆرانی | ckb-000 | ناکاریگهر |
| 普通话 | cmn-000 | 不能胜任的 |
| 普通话 | cmn-000 | 否有效 |
| 普通话 | cmn-000 | 效率低的 |
| 普通话 | cmn-000 | 效率差的 |
| 普通话 | cmn-000 | 无效率的 |
| 普通话 | cmn-000 | 无效的效率低的 |
| 普通话 | cmn-000 | 无结果 |
| 普通话 | cmn-000 | 无能的 |
| 國語 | cmn-001 | 䛠 |
| 國語 | cmn-001 | 不能勝任的 |
| 國語 | cmn-001 | 效率低 |
| 國語 | cmn-001 | 效率低的 |
| 國語 | cmn-001 | 效率差的 |
| 國語 | cmn-001 | 無效率 |
| 國語 | cmn-001 | 無效率的 |
| 國語 | cmn-001 | 無用的 |
| 國語 | cmn-001 | 無能 |
| 國語 | cmn-001 | 無能的 |
| 國語 | cmn-001 | 蠢 |
| Hànyǔ | cmn-003 | dou4 |
| Hànyǔ | cmn-003 | dòu |
| Hànyǔ | cmn-003 | xiang2 |
| Middle Cornish | cnx-000 | aneffeythus |
| Kernowek | cor-000 | aneffeythus |
| Cymraeg | cym-000 | aneffeithlon |
| Deutsch | deu-000 | ineffizient |
| Deutsch | deu-000 | langsam |
| Deutsch | deu-000 | unfähig |
| Deutsch | deu-000 | unrationell |
| Deutsch | deu-000 | unvermögend |
| Deutsch | deu-000 | unwirksam |
| Deutsch | deu-000 | unwirtschaftlich |
| Deutsch | deu-000 | zu spät |
| རྫོང་ཁ་ | dzo-000 | གཅིག་ཁྱད་མ་ཆོདཔ |
| eesti | ekk-000 | ebaefektiivne |
| eesti | ekk-000 | tulemusetu |
| ελληνικά | ell-000 | ανίκανος |
| ελληνικά | ell-000 | ανεπαρκής |
| ελληνικά | ell-000 | μη αποτελεσματικός |
| ελληνικά | ell-000 | όχι αποδοτικός |
| English | eng-000 | bad |
| English | eng-000 | bootless |
| English | eng-000 | discomfited |
| English | eng-000 | fruitless |
| English | eng-000 | futile |
| English | eng-000 | good-for-nothing |
| English | eng-000 | haywire |
| English | eng-000 | helpless |
| English | eng-000 | impotent |
| English | eng-000 | inadequate |
| English | eng-000 | incapable |
| English | eng-000 | incompetent |
| English | eng-000 | ineffective |
| English | eng-000 | ineffectual |
| English | eng-000 | inefficacious |
| English | eng-000 | inexpert |
| English | eng-000 | inferior |
| English | eng-000 | inoperative |
| English | eng-000 | insufficient |
| English | eng-000 | nonproductive |
| English | eng-000 | nugatory |
| English | eng-000 | otiose |
| English | eng-000 | prodigal |
| English | eng-000 | scant |
| English | eng-000 | scanty |
| English | eng-000 | scrimp |
| English | eng-000 | scrimpy |
| English | eng-000 | shiftless |
| English | eng-000 | sleeveless |
| English | eng-000 | slow |
| English | eng-000 | sluggish |
| English | eng-000 | unable |
| English | eng-000 | unable to work |
| English | eng-000 | unavailing |
| English | eng-000 | uneconomical |
| English | eng-000 | unfit |
| English | eng-000 | unfit for work |
| English | eng-000 | unserviceable |
| English | eng-000 | unskilled |
| English | eng-000 | unsuccessful |
| English | eng-000 | useless |
| English | eng-000 | vain |
| English | eng-000 | wasteful |
| Esperanto | epo-000 | neekonomia |
| Esperanto | epo-000 | nekapabla |
| Esperanto | epo-000 | nekompetenta |
| suomi | fin-000 | hyödytön |
| suomi | fin-000 | kehno |
| suomi | fin-000 | kykenemätön |
| suomi | fin-000 | ponneton |
| suomi | fin-000 | saamaton |
| suomi | fin-000 | tehoton |
| français | fra-000 | incapable |
| français | fra-000 | incompétent |
| français | fra-000 | inefficace |
| français | fra-000 | inhabile |
| Gaeilge | gle-000 | mí-éifeachtach |
| Gaeilge | gle-000 | neamhéifeachtach |
| Gaeilge | gle-000 | neamhéifeachtúil |
| galego | glg-000 | ineficaz |
| galego | glg-000 | ineficiente |
| yn Ghaelg | glv-000 | neufondagh |
| Gurindji | gue-000 | mananamparr |
| ગુજરાતી | guj-000 | અક્ષમ |
| ગુજરાતી | guj-000 | બિનકાર્ય ક્ષમ |
| ʻōlelo Hawaiʻi | haw-000 | hemahema |
| ʻōlelo Hawaiʻi | haw-000 | lōlena |
| ʻōlelo Hawaiʻi | haw-000 | mili |
| Srpskohrvatski | hbs-001 | neefikasan |
| Hiligaynon | hil-000 | di-anad |
| Hiligaynon | hil-000 | dimakaisrut |
| Hiligaynon | hil-000 | swalaʼy ikasarang |
| हिन्दी | hin-000 | अक्षम |
| हिन्दी | hin-000 | अदक्ष |
| हिन्दी | hin-000 | अयोग्य |
| हिन्दी | hin-000 | निकम्मा |
| हिन्दी | hin-000 | निगुण |
| हिन्दी | hin-000 | निष्फल |
| हिन्दी | hin-000 | बेकार |
| hrvatski | hrv-000 | bezuspješan |
| hrvatski | hrv-000 | nesposoban |
| hrvatski | hrv-000 | neuspješan |
| hrvatski | hrv-000 | neučinkovit |
| hrvatski | hrv-000 | nevješt |
| hrvatski | hrv-000 | uzaludan |
| magyar | hun-000 | eredménytelen |
| magyar | hun-000 | használhatatlan |
| magyar | hun-000 | hatástalan |
| magyar | hun-000 | nem megfelelő |
| magyar | hun-000 | szakszerűtlen |
| արևելահայերեն | hye-000 | ազդեցություն չունեցող |
| արևելահայերեն | hye-000 | անընդունակ |
| արևելահայերեն | hye-000 | անկարող |
| արևելահայերեն | hye-000 | անհետեվանք |
| արևելահայերեն | hye-000 | անհմուտ |
| արևելահայերեն | hye-000 | անորակ |
| արևելահայերեն | hye-000 | ապարդյուն |
| արևելահայերեն | hye-000 | ոչ էֆֆեկտիվ |
| արևելահայերեն | hye-000 | չներգործող |
| Ido | ido-000 | nekapabla |
| Interlingue | ile-000 | íncapabil |
| Interlingue | ile-000 | íncompetent |
| Interlingue | ile-000 | ínefficient |
| interlingua | ina-000 | inefficace |
| interlingua | ina-000 | inefficiente |
| íslenska | isl-000 | afkastalítill |
| íslenska | isl-000 | óduglegur |
| italiano | ita-000 | a scartamento ridotto |
| italiano | ita-000 | inadeguato |
| italiano | ita-000 | incapace |
| italiano | ita-000 | inefficace |
| italiano | ita-000 | inefficiente |
| 日本語 | jpn-000 | もたもた |
| 日本語 | jpn-000 | モタモタ |
| にほんご | jpn-002 | もたもた |
| にほんご | jpn-002 | モタモタ |
| Taqbaylit | kab-000 | abennan |
| ქართული | kat-000 | უვარგისი |
| монгол | khk-000 | авьяасгүй |
| монгол | khk-000 | бүтээлгүй |
| монгол | khk-000 | мэргэжилгүй |
| монгол | khk-000 | чадваргүй |
| монгол | khk-000 | эв дүйгүй |
| монгол | khk-000 | үр ашиггүй |
| монгол | khk-000 | үр дүнгүй |
| 한국어 | kor-000 | 무능한 |
| 한국어 | kor-000 | 효력이 없는 |
| Lingua Franca Nova | lfn-000 | peros |
| Lingua Franca Nova | lfn-000 | perosa |
| मराठी | mar-000 | अकार्यक्षम |
| मराठी | mar-000 | असमर्थ |
| मराठी | mar-000 | नालायक |
| мокшень кяль | mdf-000 | аф сатомшка |
| mokshenj kalj | mdf-001 | af satomshka |
| Mimaʼnubù | msm-000 | ʼhubod |
| эрзянь кель | myv-000 | аволь экономной |
| Tâi-gí | nan-003 | bŭ-lĕng |
| Tâi-gí | nan-003 | hāu-lu̍t kē |
| Nederlands | nld-000 | ineffectief |
| Nederlands | nld-000 | onbekwaam |
| Nederlands | nld-000 | onbruikbaar |
| Nederlands | nld-000 | ondoeltreffend |
| Nederlands | nld-000 | ongeschikt |
| bokmål | nob-000 | udugelig |
| Old Cornish | oco-000 | aneffeythus |
| فارسی | pes-000 | بی کفایت |
| فارسی | pes-000 | بیعرضه ـ بی عرضه |
| فارسی | pes-000 | زپرتی |
| فارسی | pes-000 | غیر موثر |
| فارسی | pes-000 | هیچ کاره |
| فارسی | pes-000 | پفیوز |
| Norfuk | pih-000 | huppa |
| polski | pol-000 | nieefektywny |
| polski | pol-000 | nieskuteczny |
| polski | pol-000 | niesprawny |
| polski | pol-000 | nieudaczny |
| polski | pol-000 | nieudolny |
| português | por-000 | ineficaz |
| português | por-000 | ineficiente |
| português brasileiro | por-001 | ineficiente |
| русский | rus-000 | малопродуктивный |
| русский | rus-000 | малопроизводительный |
| русский | rus-000 | негодный |
| русский | rus-000 | недейственный |
| русский | rus-000 | недостаточный |
| русский | rus-000 | неподходящий |
| русский | rus-000 | непроизводительный |
| русский | rus-000 | нераспорядительный |
| русский | rus-000 | нерасторопный |
| русский | rus-000 | неспособный |
| русский | rus-000 | неумелый |
| русский | rus-000 | неэффективный |
| русский | rus-000 | плохо действующий |
| संस्कृतम् | san-000 | अकर्मण्य |
| संस्कृतम् | san-000 | अकर्मन् |
| lingua siciliana | scn-000 | inefficienti |
| slovenčina | slk-000 | nedostatočný |
| slovenčina | slk-000 | neefektívny |
| slovenčina | slk-000 | nehospodárny |
| slovenčina | slk-000 | neschopný |
| slovenčina | slk-000 | nevýkonný |
| slovenčina | slk-000 | neúčinný |
| slovenščina | slv-000 | nesposoben |
| slovenščina | slv-000 | neučinkovit |
| español | spa-000 | incapaz |
| español | spa-000 | ineficaz |
| español | spa-000 | ineficiente |
| español | spa-000 | negado |
| srpski | srp-001 | neproduktivan |
| srpski | srp-001 | nesposoban |
| svenska | swe-000 | ineffektiv |
| svenska | swe-000 | overksam |
| తెలుగు | tel-000 | అప్రయోజక |
| తెలుగు | tel-000 | అసమర్థ |
| ภาษาไทย | tha-000 | ซึ่งสูญเปล่า |
| ภาษาไทย | tha-000 | ซึ่งไร้ประสิทธิภาพ |
| ภาษาไทย | tha-000 | ไม่มีประสิทธิภาพ |
| ภาษาไทย | tha-000 | ไม่ได้ผลเป็นที่พอใจ |
| ภาษาไทย | tha-000 | ไร้สมรรถภาพ |
| türkmençe | tuk-000 | öndümsiz |
| türkmençe | tuk-000 | ýetishiksiz |
| türkmençe | tuk-000 | ýetişiksiz |
| Türkçe | tur-000 | az verimli |
| Türkçe | tur-000 | başarısız |
| Türkçe | tur-000 | beceriksiz |
| Türkçe | tur-000 | etkisiz |
| Türkçe | tur-000 | faydasız |
| Türkçe | tur-000 | geçersiz |
| Türkçe | tur-000 | istenilen neticeyi vermeyen |
| Türkçe | tur-000 | iyi çalışmayan |
| Türkçe | tur-000 | randıman dü- şüklüğü |
| Türkçe | tur-000 | tesirsiz |
| Türkçe | tur-000 | verimsiz |
| Talossan | tzl-000 | invalideu |
| українська | ukr-000 | неметкий |
| tiếng Việt | vie-000 | bất tài |
| tiếng Việt | vie-000 | không có hiệu quả |
| tiếng Việt | vie-000 | không có khả năng |
| tiếng Việt | vie-000 | thiếu khả năng |
| èdè Yorùbá | yor-000 | láìwúlò |
| 廣東話 | yue-000 | 䛠 |
| gwong2dung1 wa2 | yue-003 | daau2 |
| gwong2dung1 wa2 | yue-003 | daau6 |
| gwong2dung1 wa2 | yue-003 | dau3 |