Exam: Cambridge English: C2 Proficiency (CPE)

Definition: This word describes something that cannot be shown to be false or incorrect, often used in discussions about theories or claims that cannot be tested or disproven.

Example: The theory was considered unfalsifiable because it could not be tested through experiments.

Definition: Not refined or polite; lacking in good manners or social grace.

Example: His ungenteel behavior at the dinner party shocked everyone.

Definition: This word describes something that is related to fingernails, toenails, or similar structures like claws or hooves.

Example: The ungual structure of the animal helps it to climb trees effectively.

Definition: A thick, greasy substance used to soothe or heal the skin.

Example: She applied the unguent to her dry hands to relieve the irritation.

Definition: Not based on or not considering historical facts or events.

Example: The movie was criticized for its unhistorical portrayal of the events.

Definition: Not broken down by the process of hydrolysis, which is a chemical reaction involving water that typically breaks down compounds.

Example: The sample contained unhydrolyzed proteins that were still intact.

Definition: Not using the natural or expected phrases of a language, making it sound awkward or unnatural.

Example: His speech was unidiomatic, making it hard for the audience to understand him.

Definition: Something that is beyond doubt or question; it cannot be criticized or blamed.

Example: The judge's decision was unimpeachable, leaving no room for doubt.

Definition: Not having been formally accused of a crime in a legal case.

Example: The unindicted individuals were relieved to hear the news of the case being dropped.

Definition: Describing a word that does not change form to show tense, mood, number, or case.

Example: In English, the word 'sheep' is uninflected because it remains the same in both singular and plural forms.