Crossword Genius

Five sat around mammoth (4)

Ross

I believe the answer is:

vast

'mammoth' is the definition.
(thesaurus)

'five sat around' is the wordplay.
'five' becomes 'v' (roman numeral**).
'around' indicates an anagram.
'sat' anagrammed gives 'ast'.
'v'+'ast'='VAST'

(Other definitions for vast that I've seen before include "Huge, enormous" , "Astronomical" , "Gigantic" , "Colossal" , "Boundless" .)

I've seen this clue in The Mirror.
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