Translations: the word in the other languages
- Afrikaans: nagmerrie
- Amharic: ሰዎች
- Arabic: الكابوسية
- Azerbaijani: qorxulu
- Bashkir: кошмар
- Belarusian: кашмарныя
- Bulgarian: кошмарни
- Bengali: দুঃস্বপ্নের
- Bosnian: košmarno
- Catalan: malson
- Cebuano: nightmarish
- Czech: děsivé
- Welsh: hunllefus
- Danish: mareridtsagtige
- German: alptraumhafte
- Greek: εφιαλτική
- Esperanto: koŝmaro
- Spanish: pesadilla
- Estonian: painajalik
- Basque: nightmarish
- Persian: کابوس
- Finnish: painajaismainen
- French: cauchemardesque
- Irish: nightmarish
- Scottish Gaelic: nightmarish
- Galician: pesadelo
- Gujarati: nightmarish
- Hebrew: סיוט
- Hindi: भयानक
- Croatian: noćne more
- Haitian: kochma
- Hungarian: rémálomszerű
- Armenian: վատ
- Indonesian: mimpi buruk
- Icelandic: nightmarish
- Italian: da incubo
- Japanese: 見事な悪夢
- Javanese: ala
- Georgian: კოშმარიდან
- Kazakh: кошмарные
- Khmer: nightmarish
- Kannada: ದುಃಸ್ವಪ್ನದಂಥ
- Korean: 악몽
- Kyrgyz: кошмарные
- Latin: nightmarish
- Luxembourgish: alptraumhafte
- Lao: ບໄຊຕ໌
- Lithuanian: košmarišką
- Latvian: murgaino
- Malagasy: nightmarish
- Mari: пошырнаш
- Maori: nightmarish
- Macedonian: кошмарните
- Malayalam: nightmarish
- Mongolian: nightmarish
- Marathi: दु
- Hill Mari: нелӹ ом
- Malay: mimpi buruk
- Maltese: nightmarish
- Burmese: nightmarish
- Nepali: nightmarish
- Dutch: nachtmerrieachtige
- Norwegian: marerittaktig
- Punjabi: nightmarish
- Papiamento: estadia
- Polish: koszmarne
- Portuguese: pesadelo
- Romanian: coșmar
- Russian: кошмарные
- Sinhalese: දුක්ඛිත
- Slovak: desivé
- Slovenian: nočne
- Albanian: nightmarish
- Serbian: ноћна мора
- Sundanese: nightmarish
- Swedish: mardrömslik
- Swahili: nightmarish
- Tamil: கெட்ட கனவுகளை
- Telugu: పీడకలలను
- Tajik: кошмарные
- Thai: nightmarish
- Tagalog: kakila-kilabot
- Turkish: kabus
- Tatar: кошмарные
- Udmurt: уйбыртись
- Ukrainian: кошмарні
- Urdu: بھیانک
- Uzbek: nightmarish
- Vietnamese: ác mộng
- Xhosa: nightmarish
- Yiddish: נייטמעריש
- Chinese: 噩梦般
Synonyms, close and similar words for nightmarish
- horrific
- frightful
- horrid
- monstrous
- appalling
- gruesome
- horrendous
- shocking
- grisly
- awful
- terrible
- ghastly
- hideous
- terrific
- dreadful
- horrible