We found 14 dictionaries that define the word nightless:

General (11 matching dictionaries)

1. nightless: Merriam-Webster
2. nightless: Oxford Learner's Dictionaries
3. nightless: Collins English Dictionary
4. nightless: Wordnik
5. nightless: Wiktionary
6. Nightless, nightless: Dictionary.com
7. Nightless: Online Plain Text English Dictionary
8. nightless: Webster's Revised Unabridged, 1913 Edition
9. Nightless: AllWords.com Multi-Lingual Dictionary
10. nightless: FreeDictionary.org
11. Nightless: TheFreeDictionary.com

Business (1 matching dictionary)

12. Nightless: Legal dictionary

Computing (1 matching dictionary)

13. Nightless: Encyclopedia

Miscellaneous (1 matching dictionary)

14. Nightless: Idioms

(Note: See night as well.)

Definitions from Wiktionary (nightless) ▸ adjective:  Without night. Similar: dayless, duskless, moonless, dawnless, morningless, lanternless, eveningless, winterless, dreamless, skyless, more... ▸ Words similar to nightless ▸ Usage examples for nightless ▸ Idioms related to nightless ▸ Wikipedia articles (New!) ▸ Popular nouns described by nightless ▸ Words that often appear near nightless ▸ Rhymes of nightless ▸ Invented words related to nightless