Attentive (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">attentive</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>
(Other definitions for alert that I've seen before include "Danger warning" , "Put on guard, warn" , "Thinking and acting quickly" , "sharp-witted" , "Watchful and observant" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">attentive</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 all ears that I've seen before include "Listening attentively" , "Being very attentive" , "Very alert" , "Prepared to listen" , ".Listening very intently" .)