Defence (5)
(Other definitions for alibi that I've seen before include "Accused person's defence" , "Reason often given to exculpate someone" , "Fact of being elsewhere (legal)" , "Court evidence showing one was elsewhere" , "that gets him off the hook?" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">defence</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for guard that I've seen before include "Warden; defend" , "Sentry" , "security man" , "Escort" , "Protect(or)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">defence</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that rampart is a type of fortification)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rampart that I've seen before include "Defensive earthwork" , "section of defence?" , "Fortified wall" , "means of defence" , "Defensive wall or mound" .)