Star (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">star</span>' is the definition.<br/ ><span class="explanation-format__explanation">(the Sun is a star)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sun that I've seen before include "Centre of Earth's orbit" , "Earth's nearest star" , "Helios, in Greek myth" , "Star; paper" , "Our central star" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">star</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for luminary that I've seen before include "Leading light" , "Outstanding person in his or her field" , "Inspirational leader" , "One famous in his profession" , "famous person" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">star</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for asterisk that I've seen before include "Star-shaped symbol as reference mark." , "star-shaped figure" , "Star-shape on the page" , "Sarkiest (Anag)" , "Star-shaped mark in printing" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">star</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I have seen 'bright star' mean 'comet' so perhaps 'star' could also mean 'comet')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for comet that I've seen before include "high-flier" , "Tailed heavenly body" , "one of Santa's reindeer" , "Traveller round sun" , "Celestial body with luminous tail" .)
(Other definitions for trek that I've seen before include "Long walk in the mountains?" , "Difficult journey on foot" , "Long hike" , "Long and difficult journey" , "A long arduous journey as in S Africa" .)
(Other definitions for wars that I've seen before include "See 8" , "- - of the Roses" , "Armed conflicts against enemies" , "Battles" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">star</span>' is the definition.<br/ ><span class="explanation-format__explanation">(star can mean a famous person)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for celebrity that I've seen before include "target of paparazzo?" , "Well-known or famous person" , "Star" , "name" , "Famous person seen in rebel city" .)