Strikingly unusual (6)
I believe the answer is:
exotic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">strikingly unusual</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for exotic that I've seen before include "Colourful or unusual, perhaps from abroad" , "Strikingly different or colourful" , "Bizarre" , "Interestingly different or strange" , "From far abroad" .)