We found 2 dictionaries that define the word subnation:

General (2 matching dictionaries)

1. subnation: Merriam-Webster
2. subnation: Wiktionary

Definitions from Wiktionary (subnation) ▸ noun:  A subordinate or secondary nation. ▸ Words similar to subnation ▸ Usage examples for subnation ▸ Idioms related to subnation ▸ Wikipedia articles (New!) ▸ Popular adjectives describing subnation ▸ Words that often appear near subnation ▸ Rhymes of subnation ▸ Invented words related to subnation