Exam: TOEFL

Definition: Something that cannot be known or understood, often because it is beyond human experience or comprehension.

Example: The concept of infinity is often seen as an unknowable idea.

Definition: In a way that shows a lack of awareness or intention; done without knowing.

Example: She unknowingly revealed the surprise party plans when she mentioned it to him.

Definition: Not having knowledge or information about something; lacking understanding or awareness.

Example: His unknowledgable comments showed that he had not done his research.

Definition: Something that is not recognized or identified, often because it has not been discovered or verified.

Example: The source of the noise remained unknown to everyone in the house.

Definition: A person or thing that is not known or recognized, often used to refer to something mysterious or unfamiliar.

Example: The scientist explored the unknown in search of new discoveries.

Definition: Not allowed by law; illegal or against the rules.

Example: The police arrested him for his unlawful activities.

Definition: In a way that does not follow the law or rules.

Example: The company was fined for operating unlawfully.

Definition: The condition of being against the law or not allowed by law.

Example: The unlawful act led to serious consequences for the offenders.

Definition: Describing a substance that does not contain lead or lead compounds, often used in reference to fuels or paints.

Example: Many cars now use unleaded gasoline to reduce pollution.

Definition: To forget something that you have learned or to stop using a particular skill or habit.

Example: She decided to unlearn the negative thoughts that had been holding her back.

Definition: Something that cannot be learned or understood.

Example: Some concepts in advanced mathematics can seem unlearnable at first.