Odd, unusual (7)
I believe the answer is:
strange
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">odd</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that odd can be written as strange)</span><br/ ><br/ >'<span class="explanation-format__original">unusual</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that unusual can be written as strange)</span><br/ ><br/ ></span>
(Other definitions for strange that I've seen before include "Peculiar; Morse's boss" , "as quarks in certain hadrons" , "Super for a couple here" , "Odd or unfamiliar" , "Unusual, surprising" .)