Answer:
happening or carried on according to chance rather than design or inherent nature
Explanation:
dictionary.com definition
1) Chapter 22
Lucy reveals that she is secretly engaged to Edward. Only Lucy's sister and Elinor knows about it. Elinor is sad because of this discovery but she keeps the secret.
2) Chapter 24
Elinor says Lucy that her engagement might cause Edward's disinheritance in favor of his brother. Lucy feels frustrated and she considers calling off the engagement.