freakish

/ˈfrikɪʃ/
adjective
  1. Very unusual, strange, or unexpected in a way that is surprising or hard to explain.
    • The plant grew to a freakish size after the heavy rains.
    • A freakish snowstorm hit the desert in July.
    • Her freakish talent for math amazed everyone at the competition.
  2. Having a strange or unnatural appearance; weird-looking.
    • The old house had a freakish shape with crooked windows and a twisted chimney.
    • The artist's paintings are full of freakish creatures with too many eyes.
    • He wore a freakish mask that made the children laugh nervously.