Blockade (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">blockade</span>' is the definition.<br/ ><span class="explanation-format__explanation">(siege is a kind of blockade)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for siege that I've seen before include "Isolating attack" , "Act of surrounding a town or fortress" , "Military operation ringing a town" , "Offence in which fortified place is surrounded" , "Starving-out operation" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">blockade</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for embargo that I've seen before include "Commercial break" , "Trading ban" , "Government trade ban" , "Ban or restraint on trade" , "Boycott" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">blockade</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for barrier that I've seen before include "Rear rib may present obstacle" , "'Blockade, fence (7)'" , "block" , "Fence; obstacle" , "Gate" .)