Exam: Cambridge English: C1 Advanced (CAE)

Definition: The quality of being very important or necessary; the need for something to be done urgently.

Example: The imperativeness of addressing climate change cannot be overstated.

Definition: Something that cannot be perceived or noticed because it is too small, subtle, or faint.

Example: The changes in temperature were imperceivable to the naked eye.

Definition: Something that is very difficult or impossible to notice or perceive because it is so small or subtle.

Example: The changes in the painting were imperceptible to most viewers.

Definition: In a way that is so slight or subtle that it cannot be easily noticed or perceived.

Example: The changes in temperature occurred imperceptibly over the course of the day.

Definition: Not able to notice or understand things easily; lacking awareness or insight.

Example: His imperceptive nature made it difficult for him to understand the feelings of others.

Definition: Not able to perceive or understand things; lacking awareness or insight.

Example: His impercipient attitude made it difficult for him to notice the problems around him.

Definition: A flaw or defect in something that makes it less than perfect.

Example: The painting had a small imperfection that made it unique.

Definition: Describing an action that is ongoing or not finished, often used in grammar to indicate that an action is not completed or is repeated.

Example: In some languages, the imperfective aspect is used to show that an action is still happening.

Definition: A type of verb that describes an action that is ongoing, repeated, or not completed.

Example: In the sentence 'She was reading a book', 'reading' is in the imperfective aspect.

Definition: The condition of not being perfect or having flaws.

Example: Her imperfectness made her unique and relatable.

Definition: Describing something that does not have any openings or holes.

Example: The imperforate membrane prevented any fluid from passing through.

Definition: A type of stamp that has no holes or perforations along its edges, making it solid and uncut.

Example: The collector was excited to find an imperforate stamp from the early 20th century.