Defective (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">defective</span>' is the definition.<br/ ><span class="explanation-format__explanation">(dud can mean faulty or defective)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dud that I've seen before include "Faulty" , "Not working" , "Counterfeit article" , "Useless, doesn't work - a palindrome" , "Fake -- failure" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">defective</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 imperfect that I've seen before include "seconds" , "Having faults" , "Deficient" , "Faulty; tense" , "Describing continuous actions" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">defective</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for faulty that I've seen before include "Not working properly" , "in error" , "Flawed" , "Defective, not in good working order" , "Defective or inaccurate" .)