forthcome

Example:The criminal had been careful to conceal his identity and whereabouts, but little did he know we had means of uncovering him.

Definition:To hide or keep secret; to cover up or obscure.

Example:The suspect disappeared into the crowd and we had no idea where to look for him.

Definition:To cease to be visible; to become hidden or lost from sight or knowledge.

Example:The sunken treasure was finally sunk to the bottom of the sea, never to be found again.

Definition:To go down, especially in a liquid; to submerge.