1. not expected or anticipated; beyond what was hoped for
Usage: often used in the phrase ‘unhoped-for’

Examples

• The scholarship was an unhoped-for opportunity that changed her life.
• His recovery brought unhoped joy to the entire family.
• The team’s victory was an unhoped success after their poor season start.
• She received unhoped support from her former colleagues.
• The discovery led to unhoped advances in medical research.
• Their unhoped reunion after twenty years brought tears to everyone’s eyes.