A more thorough explanation:

Definition: Unforeseen is an adjective that means something that was not predicted or expected.

Example: The sudden rainstorm was unforeseen, and we were caught without an umbrella.

Explanation: In this example, the rainstorm was not predicted or expected, and the person was caught without an umbrella. This shows how unforeseen events can catch us off guard and cause inconvenience or difficulty.

Example: The company had to deal with unforeseen expenses when their main supplier went bankrupt.

Explanation: In this example, the bankruptcy of the main supplier was not predicted or expected, and the company had to deal with unexpected expenses as a result. This shows how unforeseen events can have financial consequences and impact a business's operations.