Irritable or unwell (3,2,5)
I believe the answer is:
out of sorts
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">irritable</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">unwell</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for out of sorts that I've seen before include "Lacking variety" , "Irritable" , "Slightly unhappy" , "Slightly unwell" , "Not well" .)