Nit-picker (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">nit-picker</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pedant that I've seen before include "Picky type" , "Unimaginative person who insists on petty rules" , "One excessively concerned with minor detail" , "Fussy schoolmaster, academic" , "Panted (anag.)" .)
(Other definitions for fusspot that I've seen before include "Pernickety person" , "One who gets worked up" , "One who worries too much" , "Old woman" , "Perfectionist" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">nit-picker</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Another definition for niggler that I've seen is " Nit-picker".)