Crossword Genius

Essential (5)

Ross

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">essential</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>

(Other definitions for prime that I've seen before include "Fundamental - of highest quality" , "(Of number) divisible only by itself and one" , "At least two" , "Monastic service; best quality" , "Best - get ready" .)

I've seen this clue in The Independent, the Penny Press, The Sun, the Evening Standard, The Mirror, The Times, The Telegraph, the King Feature Syndicate, the USA Today, The Irish Independent, The Guardian and the Sydney Morning Herald.
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