We found one dictionary that defines the word unidiomaticness:

General (1 matching dictionary)

1. unidiomaticness: Wiktionary

Definitions from Wiktionary (unidiomaticness) ▸ noun:  (rare) Synonym of unidiomaticity ▸ Words similar to unidiomaticness ▸ Usage examples for unidiomaticness ▸ Idioms related to unidiomaticness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing unidiomaticness ▸ Words that often appear near unidiomaticness ▸ Rhymes of unidiomaticness ▸ Invented words related to unidiomaticness