Cancel, annul (6)
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">cancel</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">annul</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for undo that I've seen before include "Wreck" , "Unfasten - destroy" , "Loosen; cancel" , "Ruin or loose" , "Cause to become loose" .)
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">cancel</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(to rescind is to cancel or repeal)</span><br/ ><br/ >'<span class="explanation-format__original">annul</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that annul can be written as rescind)</span><br/ ><br/ ></span>
(Other definitions for rescind that I've seen before include "Revoke (order)" , "Cancel (regulation)" , "Withdraw (decree)" , "undo" , "Scrub" .)
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">cancel</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that revoke is a more specific form of cancel)</span><br/ ><br/ >'<span class="explanation-format__original">annul</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that annul can be written as revoke)</span><br/ ><br/ ></span>
(Other definitions for revoke that I've seen before include "(In card games) fail to follow suit" , "Annul (a decree)" , "Annul by recalling" , "Officially cancel a decree" , "Annul (a decree/decision)" .)