Practically (4)
I believe the answer is:
nigh
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">practically</span>' is the definition.<br/ ><span class="explanation-format__explanation">(nigh means practically or almost)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for nigh that I've seen before include "Near (poetic)" , "Near, as in archaic usage" , "Near; close" , "Almost (arch.)" , "All but one" .)