1. superlative form of unlikely; least probable or expected to happen or be true
Usage: superlative form

Examples

• She won the lottery against the unlikeliest odds.
• The team’s victory was the unlikeliest outcome of the season.
• He became a doctor despite coming from the unlikeliest background.
• The solution came from the unlikeliest source.
• It was the unlikeliest place to find a rare bird.
• The unlikeliest candidate ended up winning the election.