We found one dictionary that defines the word unhyphenatable:

General (1 matching dictionary)

1. unhyphenatable: Wiktionary

Definitions from Wiktionary (unhyphenatable) ▸ adjective:  Unable to be hyphenated. ▸ Words similar to unhyphenatable ▸ Usage examples for unhyphenatable ▸ Idioms related to unhyphenatable ▸ Wikipedia articles (New!) ▸ Popular nouns described by unhyphenatable ▸ Words that often appear near unhyphenatable ▸ Rhymes of unhyphenatable ▸ Invented words related to unhyphenatable