We found 11 dictionaries that define the word some day:

General (7 matching dictionaries)

1. some day: Collins English Dictionary
2. some day: Wiktionary
3. some day: Dictionary.com
4. Some Day (TV series): Wikipedia, the Free Encyclopedia
5. some day: TheFreeDictionary.com

Business (1 matching dictionary)

6. Some day: Legal dictionary

Computing (1 matching dictionary)

7. Some day: Encyclopedia

Medicine (1 matching dictionary)

8. Some day: Medical dictionary

Miscellaneous (1 matching dictionary)

9. Some day: Idioms

Definitions from Wiktionary (some day) ▸ adverb:  On unspecified day in the future. Similar: someday, later, later on, hereafter, somewhere along the line, futurely, somewhen, whenevs, drekly, all in good time, more... Opposite: never, none, not ever Phrases: Add Some Music to Your Day, some life day celebrants, more... Adjectives: now, sometime, whilom, then, sometyme, anon, still, later, hereafter, yon, whilome ▸ Words similar to some day ▸ Usage examples for some day ▸ Idioms related to some day ▸ Wikipedia articles (New!) ▸ Words that often appear near some day ▸ Rhymes of some day ▸ Invented words related to some day