Antonyms of noun congeniality

1 of 2 senses of congeniality

Sense 2
congeniality -- (a congenial disposition)
       Antonym of uncongeniality (Sense 1)
      => uncongeniality -- (a disposition not to be congenial)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun congeniality

2 senses of congeniality

Sense 1
congenialness, congeniality -- (compatibility between persons)
       => compatibility -- (capability of existing or performing in harmonious or congenial combination)

Sense 2
congeniality -- (a congenial disposition)
       => friendliness -- (a friendly disposition)