Definition: Describing something that has not been regained or restored after being lost or damaged.

Example: The funds from the investment remain unrecovered after the market crash.

Definition: To unwind something that is wound up, like a film or a thread, from a reel or similar device.

Example: He began to unreel the long cable from the spool.

Definition: Not thinking deeply or carefully about something; lacking thoughtfulness or consideration.

Example: His unreflective response showed that he hadn't considered the consequences of his actions.

Definition: In a way that shows a lack of change or improvement, often referring to someone who does not repent or reform.

Example: He continued to act unregenerately, ignoring all advice to change his ways.

Definition: Not connected or associated with something else; having no relation or link.

Example: The two events are completely unrelated and happened at different times.

Definition: Not feeling calm or at ease; tense or anxious.

Example: After a long day at work, I felt unrelaxed and needed some time to unwind.

Definition: Showing a strong and determined attitude without giving up or becoming less intense.

Example: The unrelenting rain caused flooding in many areas.

Definition: In a way that does not give up or stop; showing no mercy or flexibility.

Example: She pursued her goals unrelentingly, never allowing obstacles to deter her.

Definition: The quality of not being able to be trusted or depended on.

Example: The unreliability of the service made customers unhappy.

Definition: Not able to be trusted or depended on; often fails to perform as expected.

Example: The weather forecast was unreliable, so we decided to bring our umbrellas just in case.