Princeton's WordNet

1. harmony, harmoniousness(noun)

   compatibility in opinion and action

2. harmony, musical harmony(noun)

   the structure of music with respect to the composition and progression of chords

3. harmony, concord, concordance(noun)

   a harmonious state of things in general and of their properties (as of colors and sounds); congruity of parts with one another and with the whole

4. harmony, concord, concordance(noun)

   agreement of opinions

5. harmony(noun)

   an agreeable sound property

Kernerman English Learner's Dictionary

1. harmony(noun)ˈhɑr mə ni

   a situation of peace, happiness, and agreement

   the dream that people can live in harmony

2. harmonyˈhɑr mə ni

   in music, a combination of notes that sound pleasant together

   beautiful harmonies

Wiktionary

1. harmony(Noun)

   agreement or accord

2. harmony(Noun)

   a pleasing combination of elements, or arrangement of sounds

3. harmony(Noun)

   the academic study of chords

4. harmony(Noun)

   two or more notes played simultaneously to produce a chord

5. harmony(Noun)

   the relationship between two distinct musical pitches (musical pitches being frequencies of vibration which produce audible sound) played simultaneously

Origin: First attested in 1602. From armonye, from harmonie/armonie, from harmonia, from ἁρμονία

Webster Dictionary

1. Harmony(noun)

   the just adaptation of parts to each other, in any system or combination of things, or in things, or things intended to form a connected whole; such an agreement between the different parts of a design or composition as to produce unity of effect; as, the harmony of the universe

2. Harmony(noun)

   concord or agreement in facts, opinions, manners, interests, etc.; good correspondence; peace and friendship; as, good citizens live in harmony

3. Harmony(noun)

   a literary work which brings together or arranges systematically parallel passages of historians respecting the same events, and shows their agreement or consistency; as, a harmony of the Gospels

4. Harmony(noun)

   a succession of chords according to the rules of progression and modulation

5. Harmony(noun)

   the science which treats of their construction and progression

6. Harmony(noun)

   see Harmonic suture, under Harmonic

The Foolish Dictionary, by Gideon Wurdz

1. HARMONY

   From the Grk. _arnumi_, strain. Hence, full of strains.

• harmonieAfrikaans
• إنْسِجامArabic
• хармонияBulgarian
• harmoniaPortuguese (BR)
• souzvukCzech
• der EinklangGerman
• harmoniDanish
• αρμονίαGreek
• armoníaSpanish
• harmooniaEstonian
• هماهنگیFarsi
• harmoniaFinnish
• harmonieFrench
• הַרמוֹניָהHebrew
• सहस्वरता, सुस्वरताHindi
• harmonija, uskladenostCroatian
• harmóniaHungarian
• harmoniIndonesian
• samhljómurIcelandic
• armoniaItalian
• 和声Japanese
• 화성Korean
• harmonija, darnumasLithuanian
• harmonija; saskaņaLatvian
• harmoniMalay
• harmonieDutch
• harmoni, samklangNorwegian
• harmonia, zgodnośćPolish
• هماهنگیPersian
• سم والى، برابوالى،هم غاړتوبPashto
• harmoniaPortuguese
• armonieRomanian
• гармоничностьRussian
• súzvukSlovak
• ubranostSlovenian
• harmonijaSerbian
• harmoni, samklang, välljudSwedish
• การประสานเสียงThai
• armoni; ses ahengiTurkish
• 和聲，色彩搭配和諧Chinese (Trad.)
• гармоніяUkrainian
• سروں کا مترنم مجموعہUrdu
• sự hài hoà; sự hoà âmVietnamese
• 和谐Chinese (Simp.)