Exam: Cambridge English: B2 First (FCE)

Definition: To come apart or separate into individual threads or parts.

Example: As the sweater was washed, it began to unravel at the seams.

Definition: To untangle or separate something that is twisted or complicated, making it clearer or easier to understand.

Example: She tried to unravel the mystery of the missing keys.

Definition: Something that cannot be read or understood easily, often because it is unclear or poorly written.

Example: The author's handwriting was so messy that it was completely unreadable.

Definition: Something that cannot be identified or recognized, often due to significant changes in appearance or characteristics.

Example: After the renovation, the old building looked unrecognizable.

Definition: Not identified or acknowledged; something that has not been accepted or noticed.

Example: The unrecognized artist finally received the attention she deserved.

Definition: Something that cannot be processed and reused in recycling programs.

Example: Many plastic items are unrecyclable and end up in landfills.

Definition: Not processed or purified; in a natural state without any improvements or enhancements.

Example: The oil was still unrefined, containing impurities that needed to be removed.

Definition: Not officially recorded or listed in a registry.

Example: The car was unregistered, so the owner had to pay a fine.

Definition: Something that is done without preparation or practice, often spontaneous or improvised.

Example: The speaker delivered an unrehearsed speech that captivated the audience.

Definition: In a way that cannot be trusted or depended on.

Example: The train arrived unreliably, causing many passengers to miss their connections.

Definition: Something that is not special or different; it is ordinary and does not stand out.

Example: The movie was unremarkable and didn't leave a lasting impression on the audience.