1. The quality or state of being dissimilar; lack of similarity or resemblance
The dissimilarity between the two theories is striking.
A dissimilaridade entre as duas teorias é marcante.
2. Difference in characteristics, features, or nature between things being compared
Despite the dissimilarity in their backgrounds, they became close friends.
Apesar da dissimilaridade em suas origens, eles se tornaram amigos próximos.