dissimilar

If your sister has dark skin and dark hair, and you have fair skin and fair hair, people might say that your looks are dissimilar or not alike.

Inside of dissimilar you find similar which means alike. By now, you've probably figured out that dis at the beginning of a word tells you the word means the opposite of whatever comes after. That rule holds here. Dissimilar is the opposite of similar. You've probably heard that you should not use double negatives. Well with dissimilar, it's okay to say something like, "Art is not dissimilar to music in that it is a creative activity. Here, "not dissimilar" means similar.

Definitions of dissimilar
1

adj 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”
Antonyms:
similar
marked by correspondence or resemblance
same
closely similar or comparable in kind or quality or quantity or degree
akin, kindred
similar in quality or character
analogous, correspondent
similar or equivalent in some respects though otherwise dissimilar
confusable, mistakable
so similar as to be easily identified for another thing
connatural
similar in nature
corresponding
similar especially in position or purpose
quasi
having some resemblance
sympathetic
having similar disposition and tastes
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adj not alike or similar

Synonyms:
unalike
Antonyms:
alike, like, similar
having the same or similar characteristics

adj marked by dissimilarity

Synonyms:
different, unlike
Antonyms:
like, similar
resembling or similar; having the same or some of the same characteristics; often used in combination
like-minded
of the same turn of mind
look-alike
resembling closely
suchlike
of the same kind
same
closely similar or comparable in kind or quality or quantity or degree
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