Alike all over (7)
I believe the answer is:
uniform
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">alike all over</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for uniform that I've seen before include "Military clothing" , "Unvarying - work clothing" , "The clothing is always the same," , "Military tunic" , "Regular sort of formal outfit" .)