| English | eng-000 |
| inefficiency | |
| toskërishte | als-000 | inefektivitet |
| toskërishte | als-000 | paaftësi |
| العربية | arb-000 | عدم الكفاءة |
| Universal Networking Language | art-253 | inefficiency |
| Universal Networking Language | art-253 | inefficiency(icl>unskillfulness>thing,ant>efficiency) |
| asturianu | ast-000 | ineficacia |
| বাংলা | ben-000 | ̃তি |
| বাংলা | ben-000 | ̃পনা |
| català | cat-000 | ineficiència |
| català | cat-000 | ineficàcia |
| čeština | ces-000 | neefektivita |
| čeština | ces-000 | neúčinnost |
| čeština | ces-000 | zbytečnost |
| 普通话 | cmn-000 | 低效率 |
| 普通话 | cmn-000 | 效率低 |
| 普通话 | cmn-000 | 无效 |
| 普通话 | cmn-000 | 无效效率低 |
| 普通话 | cmn-000 | 无效效率低无能 |
| 普通话 | cmn-000 | 无效率 |
| 普通话 | cmn-000 | 无能 |
| 國語 | cmn-001 | 無效力 |
| 國語 | cmn-001 | 無效率 |
| 國語 | cmn-001 | 無能 |
| Cymraeg | cym-000 | aneffeithlonrwydd |
| Deutsch | deu-000 | Ineffizienz |
| Deutsch | deu-000 | Machtlosigkeit |
| Deutsch | deu-000 | Ohnmacht |
| Deutsch | deu-000 | Unfähigkeit |
| Deutsch | deu-000 | Unmöglichkeit |
| Deutsch | deu-000 | Untauglichkeit |
| Deutsch | deu-000 | Untüchtigkeit |
| Deutsch | deu-000 | Unvermögen |
| Deutsch | deu-000 | Unwirtschaftlichkeit |
| Deutsch | deu-000 | Wirkungslosigkeit |
| eesti | ekk-000 | ebatõhusus |
| eesti | ekk-000 | saamatus |
| ελληνικά | ell-000 | αδεξιότητα |
| ελληνικά | ell-000 | ανεπάρκεια |
| ελληνικά | ell-000 | ανικανότης |
| ελληνικά | ell-000 | ανικανότητα |
| English | eng-000 | Schlamperei |
| English | eng-000 | disability |
| English | eng-000 | disablement |
| English | eng-000 | disqualification |
| English | eng-000 | helplessness |
| English | eng-000 | imbecility |
| English | eng-000 | impossibility |
| English | eng-000 | impotence |
| English | eng-000 | impotency |
| English | eng-000 | inability |
| English | eng-000 | inadequacy |
| English | eng-000 | incapability |
| English | eng-000 | incapableness |
| English | eng-000 | incapacity |
| English | eng-000 | incompetence |
| English | eng-000 | incompetency |
| English | eng-000 | indolence |
| English | eng-000 | ineffectiveness |
| English | eng-000 | inefficacy |
| English | eng-000 | inferiority |
| English | eng-000 | insufficiency |
| English | eng-000 | invalidation |
| English | eng-000 | low efficency |
| English | eng-000 | poor efficiency |
| English | eng-000 | scantness |
| English | eng-000 | shiftlessness |
| English | eng-000 | shortage |
| English | eng-000 | sloth |
| English | eng-000 | wastefulness |
| English | eng-000 | weak point |
| Esperanto | epo-000 | neekonomia agado |
| Esperanto | epo-000 | nekapableco |
| Esperanto | epo-000 | nekompetenteco |
| euskara | eus-000 | eraginik ez |
| euskara | eus-000 | eraginkortasunik ez |
| suomi | fin-000 | saamattomuus |
| suomi | fin-000 | tehottomuus |
| français | fra-000 | impossibilité |
| français | fra-000 | impuissance |
| français | fra-000 | incapacité |
| français | fra-000 | incompétent |
| français | fra-000 | inefficacité |
| français | fra-000 | insuffisance |
| français | fra-000 | inutile |
| français | fra-000 | point faible |
| galego | glg-000 | ineficiencia |
| yn Ghaelg | glv-000 | neufondaght |
| ગુજરાતી | guj-000 | અક્ષમતા |
| ગુજરાતી | guj-000 | બિનકાર્ય ક્ષમતા |
| हिन्दी | hin-000 | अक्षमता |
| हिन्दी | hin-000 | अयोग्यता |
| hrvatski | hrv-000 | nedjelotvornost |
| hrvatski | hrv-000 | neefikasnost |
| hrvatski | hrv-000 | nesposobnost |
| hrvatski | hrv-000 | uzaludnost |
| magyar | hun-000 | elégtelenség |
| magyar | hun-000 | eredménytelenség |
| magyar | hun-000 | hatástalanság |
| magyar | hun-000 | szakszerûtlenség |
| magyar | hun-000 | szakszerűtlenség |
| արևելահայերեն | hye-000 | անընդունակություն |
| արևելահայերեն | hye-000 | անկարողություն |
| արևելահայերեն | hye-000 | ապարդյունություն |
| interlingua | ina-000 | inefficacitate |
| interlingua | ina-000 | inefficientia |
| bahasa Indonesia | ind-000 | pemborosan/ketidakcakapan |
| íslenska | isl-000 | óhagræði |
| italiano | ita-000 | diseconomicità |
| italiano | ita-000 | inefficienza |
| 日本語 | jpn-000 | 不能 |
| 日本語 | jpn-000 | 無能 |
| にほんご | jpn-002 | ふのう |
| にほんご | jpn-002 | むのう |
| 한국어 | kor-000 | 비능률 |
| 한국어 | kor-000 | 비능률적인것 |
| Lingua Franca Nova | lfn-000 | perosia |
| मराठी | mar-000 | अकार्यक्षमता |
| македонски | mkd-000 | неефикасност |
| Tâi-gí | nan-003 | bŏ hāu-lu̍t |
| Tâi-gí | nan-003 | bŏ kong-hāu |
| Tâi-gí | nan-003 | bŏ lĕng |
| Nederlands | nld-000 | inefficiëntie |
| Nederlands | nld-000 | ondoeltreffendheid |
| فارسی | pes-000 | بی ظرفیتی |
| فارسی | pes-000 | بی کفایتی |
| فارسی | pes-000 | بیعرضگی |
| فارسی | pes-000 | عدم قابلیت |
| polski | pol-000 | nieefektywność |
| polski | pol-000 | nieproduktywność |
| polski | pol-000 | niewydajność |
| polski | pol-000 | niewydolność |
| português | por-000 | ineficiência |
| русский | rus-000 | недейственность |
| русский | rus-000 | недостаточность |
| русский | rus-000 | нераспорядительность |
| русский | rus-000 | несостоятельность |
| русский | rus-000 | неспособность |
| русский | rus-000 | неумелость |
| русский | rus-000 | неумение |
| русский | rus-000 | неэффективность |
| slovenčina | slk-000 | neefektívnosť |
| slovenčina | slk-000 | neschopnosť |
| slovenčina | slk-000 | neúčinnosť |
| slovenščina | slv-000 | neuspešnost |
| slovenščina | slv-000 | neučinkovitost |
| español | spa-000 | ineficacia |
| español | spa-000 | ineficiencia |
| srpski | srp-001 | nesposobnost |
| srpski | srp-001 | uzaludnost |
| svenska | swe-000 | ineffektivitet |
| తెలుగు | tel-000 | అసమర్థత |
| తెలుగు | tel-000 | అసామర్థ్యం |
| ภาษาไทย | tha-000 | การไม่มีประสิทธิภาพ |
| ภาษาไทย | tha-000 | การไร้ประสิทธิภาพ |
| ภาษาไทย | tha-000 | การไร้สมรรถภาพ |
| ภาษาไทย | tha-000 | ความสูญเปล่า |
| ภาษาไทย | tha-000 | ความไร้สมรรถภาพ |
| Türkçe | tur-000 | etkili olmama |
| Türkçe | tur-000 | faydasızlık |
| Türkçe | tur-000 | işe yaramama |
| Türkçe | tur-000 | sonuç vermeme |
| українська | ukr-000 | невмілість |
| українська | ukr-000 | недотепність |
| українська | ukr-000 | недієвість |
| українська | ukr-000 | неефективність |
| اردو | urd-000 | بے تاثیری |
| اردو | urd-000 | نا لائقی |
| اردو | urd-000 | کم زوری |
| tiếng Việt | vie-000 | sự bất tài |
| tiếng Việt | vie-000 | sự thiếu khả năng |
| Bahasa Malaysia | zsm-000 | ketidakcekapan |