Unwind (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unwind</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that unwind can be written as relax)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for relax that I've seen before include "Slow down and unwind" , "Slacken" , "Wind down" , "Become less tense" , "Loosen up, slow down" .)
(Other definitions for chillax that I've seen before include "Rest from work" , "Calm down and take it easy (informal)" , "Calm down and relax (informal)" .)