Jolly fellows sporting smiley masks (9)

From Times Cryptic 29574, 10A —

10A — Jolly fellows sporting smiley masks (9)IMMENSELY

  • Definition
    Definition found: 'Jolly' — The first word is the definition — read 'jolly' not as merry but as an intensifier, the way 'jolly good' means very good.
  • Indicator
    Indicator found: 'sporting masks'
  • Operation
    'sporting masks' signals a anagram operation
  • Fodder
    Fodder: 'fellows smiley'
  • Synonym
    Synonyms spotted: 'fellows' → MEN
  • Assembly
    MEN + SMILEY > MENSMILEY = IMMENSELY

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