High-pitched (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">high-pitched</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 shrill that I've seen before include "Keen" , "High and piercing" , "Of sound, piercing and high-pitched" , "Strident" , "(Of a cry) piercing" .)
(Other definitions for tinny that I've seen before include "Cheap" , "Made of poor metal" , "Lacking resonance" , "Aussie beer" , "With thin metallic sound" .)