Antonyms of adj harmonious

4 senses of harmonious

Sense 1
harmonious (vs. inharmonious) -- (musically pleasing)

inharmonious (vs. harmonious), unharmonious -- (not in harmony)
        => discordant, disharmonious, dissonant, inharmonic -- (lacking in harmony)
        => false, off-key, sour -- (inaccurate in pitch; "a false (or sour) note"; "her singing was off key")
        => unresolved, dissonant -- (characterized by musical dissonance; harmonically unresolved)

Sense 2
harmonious, proportionate, symmetrical -- (exhibiting equivalence or correspondence among constituents of an entity or between different entities)

INDIRECT (VIA balanced) -> unbalanced, imbalanced -- (being or thrown out of equilibrium)

Sense 3
harmonious -- (suitable and fitting; "the tailored clothes were harmonious with her military bearing")

INDIRECT (VIA congruous) -> incongruous -- (lacking in harmony or compatibility or appropriateness; "a plan incongruous with reason"; "incongruous behavior"; "a joke that was incongruous with polite conversation")

Sense 4
harmonious -- (existing together in harmony; "harmonious family relationships")

INDIRECT (VIA compatible) -> incompatible -- (not compatible; "incompatible personalities"; "incompatible colors")

Similarity of adj harmonious

4 senses of harmonious

Sense 1
harmonious (vs. inharmonious) -- (musically pleasing)
       => consonant, harmonic, harmonical, harmonized, harmonised -- (involving or characterized by harmony)
       => harmonic, sympathetic -- (relating to vibrations that occur as a result of vibrations in a nearby body; "sympathetic vibration")
       => on-key, true -- (in tune; accurate in pitch; "a true note")
       => pure -- (free from discordant qualities)
       => symphonic, symphonious -- (harmonious in sound; "the symphonic hum of a million insects")
          Also See-> compatible#1

Sense 2
harmonious, proportionate, symmetrical -- (exhibiting equivalence or correspondence among constituents of an entity or between different entities)
       => balanced (vs. unbalanced) -- (being in a state of proper equilibrium; "the carefully balanced seesaw"; "a properly balanced symphony orchestra"; "a balanced assessment of intellectual and cultural history"; "a balanced blend of whiskeys"; "the educated man shows a balanced development of all his powers")

Sense 3
harmonious -- (suitable and fitting; "the tailored clothes were harmonious with her military bearing")
       => congruous (vs. incongruous), congruent -- (corresponding in character or kind)

Sense 4
harmonious -- (existing together in harmony; "harmonious family relationships")
       => compatible (vs. incompatible) -- (able to exist and perform in harmonious or agreeable combination; "a compatible married couple"; "her deeds were compatible with her ideology")