Synonyms for Happy chance:

• n.

  •break (noun)
  • break.
  •event (noun)
  • good luck,
  • happy chance.
  •serendipity (noun)
  • luck,
  • blessing,
  • happenstance,
  • lucky break,
  • fluke.

• Other synonyms:

  •n.
  • accident,
  • chance event,
  • fortuity,
  • serendipity,
  • dumb luck,
  • stumbling upon,
  • tripping over.

Antonyms for Happy chance:

• n.

  • serendipity
    misfortune, bad fortune, bad luck.

Hyponym for Happy chance:

• n.

  • event
    chance event, fortuity, stroke, accident.