CEFR Level
something that makes it difficult to do or achieve something
"Lack of funding is a major impediment to the project."
A hindrance or obstruction in doing something; things that prevent progress or achievement.
"Economic impediments often hinder social development."
Impossible to pass through or enter; impossible to understand.
"The dense forest was nearly impenetrable."
So slight, gradual, or subtle as to be not easily noticed or perceived.
"The change in his voice was almost imperceptible."
The state or fact of lasting for only a limited period of time.
"The philosophy of Buddhism emphasizes the impermanence of life."
Not allowing fluid or gas to pass through.
"The container is made of impermeable plastic."
not influenced by, showing, or involving personal feelings; lacking human warmth or emotion
"The letter was written in a very impersonal style."
to pretend to be another person in order to entertain or deceive
"He was arrested for trying to impersonate a police officer."
Fraudulently acting as someone else by copying their identity
"Criminals use impersonation to gain access to bank accounts."
lack of respect; rudeness
"The teacher was shocked by the student's impertinence."
rude and showing a lack of respect
"It was impertinent of him to question the manager's decision."
Not allowing fluid to pass through; unable to be affected by something.
"The jacket is impervious to rain."
Not seeming reasonable or probable; unlikely to be true.
"The story she told was so implausible that no one believed her."
The act of bringing goods or services into a country from abroad
"The importation of luxury goods is strictly regulated."
the act of forcing something on someone; an unwelcome demand or burden
"The new tax was seen as an unfair imposition on the poor."
the state or fact of being impossible; something that cannot be done or achieved
"Finishing the project in one day was an impossibility."
To make someone poor or reduce the quality or richness of something.
"The long war impoverished the entire nation."
the act of putting someone in prison; the state of being confined as punishment
"He faced imprisonment for violating the court order."
Not likely to be true or to happen.
"It seems improbable that he will arrive on time."
The tendency to act quickly and without thought or care; lack of self-control.
"His impulsivity led him to make reckless choices."
unable to be reached, entered, or understood
"The remote village is almost inaccessible during the rainy season."
lack of accuracy or precision; an incorrect or wrong detail
"The report contained several factual inaccuracies."
the state of not being active physically or mentally; lack of action
"Prolonged inactivity can negatively affect both physical and mental health."
lack of sufficient ability, quality, or strength; a feeling of not being good enough
"She struggled with feelings of inadequacy at work despite her strong qualifications."
Not allowed, especially as evidence in a court of law.
"The judge ruled the evidence inadmissible."
Not resulting from or achieved through deliberate planning; unintentional.
"Her inadvertent mistake caused a delay in the project."
Without intention; accidentally.
"He inadvertently deleted the important file."
Not recommended; likely to have undesirable consequences.
"It is inadvisable to drive in such heavy rain."
