Like a mouse (5)

I believe the answer is:
timid
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like a mouse</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for timid that I've seen before include "Gutless" , "Pusillanimous" , "Lacking in courage" , "Shrinking" , "doormat" .)