Adjective dissimilar has 3 senses
  1. dissimilar - not similar; "a group of very dissimilar people"; "a pump not dissimilar to those once found on every farm"; "their understanding of the world is not so dissimilar from our own"; "took different (or dissimilar) approaches to the problem"
    similar, akin, kindred, related, analogous, correspondent, confusable, connatural, corresponding, quasi, siamese, twin
  2. unalike, dissimilar - not alike or similar; "as unalike as two people could be"
  3. unlike, dissimilar, different - not like; marked by dissimilarity; "for twins they are very unlike"; "people are profoundly different"