Horizontal (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">horizontal</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for level that I've seen before include "Flush" , "Palindromic storey" , "Even; a plane" , "Flatten" , "Not in front or behind" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">horizontal</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for flat that I've seen before include "not deep?" , "12 [TWO DIMENSIONAL]" , "like some races" , "Even -- pitched too low" , "Boring - apartment" .)