We found 2 dictionaries that define the word harmoniacal:

General (2 matching dictionaries)

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

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