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Webster 1913 Edition

Adj.

Unharmonious; discordant.

[Obs.]

Hallywell.

Adj.

Incongruous. [See Unharmonious.]

disharmonious ‎(comparative more disharmonious, superlative most disharmonious)

not harmonious

French: dysharmonique (fr) m, f
Portuguese: desarmónico (Portugal), desarmônico (Brazil), inarmónico (Portugal), inarmônico (Brazil), desarmonioso