occurring by chance; unpredictable

accidental; fortunate in a way that is not likely to be repeated

आकस्मिक; ऐसी किस्मत जो दोबारा नहीं मिलती

English Usage: "She had a fluky encounter with her old friend at the café."

Hindi Usage: "उसका कैफे में अपने पुराने दोस्त से आकस्मिक मिलना हुआ।"