Adjective boon has 1 sense
  1. boon - very close and convivial; "boon companions"
    Antonym:
    distant (indirect, via close)
,Noun boon has 1 sense
  1. blessing, boon - a desirable state; "enjoy the blessings of peace"; "a spanking breeze is a boon to sailors"
    --1 is a kind of good fortune, good luck
    --1 has particulars: mercy
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