English Vocabulary Dictionary | Word Meanings, Definitions & Examples
CEFR Level
protected from disease or from the effects of something
"Children who are vaccinated are immune to many diseases."
The state of being protected against disease or harmful influences.
"Vaccination provides immunity against certain infections."
Having a major impact or effect; powerful and forceful.
"Her impactful speech moved the audience to take action."
The state of being quickly irritated or unable to wait calmly.
"His impatience grew as the meeting dragged on."
in a manner showing annoyance or restlessness due to delay or waiting
"She tapped her fingers impatiently while waiting for the reply."
Extremely important or urgent; an essential duty or command.
"It is imperative to wear a seatbelt while driving."
Not perfect; having faults or flaws.
"The painting was beautiful despite being imperfect."
a flaw, defect, or weakness; the state of being imperfect
"She accepted her imperfection as part of being human."
Relating to an empire or emperor; having supreme authority.
"The imperial palace was a symbol of the emperor's power."
To put a decision, plan, or agreement into effect.
"The government decided to implement new health policies."
the process of putting a plan, decision, or idea into effect
"The successful implementation of the new policy improved efficiency."
Put a decision or plan into effect; carried out or executed.
"The master plans were partially implemented."
A possible effect or result of an action or decision; something suggested without being stated directly.
"The new law has serious implications for small businesses."
Suggested or understood without being directly stated.
"Her trust in him was implicit."
To suggest something without directly stating it.
"Her tone seemed to imply that she was upset."
in a rude or discourteous manner; without showing respect or proper manners
"He spoke impolitely to the waiter despite the polite service."
lack of good manners or courtesy; rude behavior
"His impoliteness towards the guests shocked everyone."
in a way that is of great significance or value
"Importantly, the report highlights the need for immediate action."
to force something to be accepted or done
"The government decided to impose new taxes."
forced something to be accepted or put in place
"The government imposed new regulations on the industry."
To establish or apply by authority; to force something unwelcome or unfamiliar to be accepted or put in place.
"Pollution imposes harmful effects on the environment."
to confine or keep someone in a prison or under restraint
"The criminal was imprisoned for his actions."
Not suitable or appropriate; against accepted standards.
"It is improper to talk loudly in the library."
a sudden strong desire or urge to act without thinking
"He bought the watch on impulse without planning to."
the state of being unable to do something
"His inability to make decisions affected his career."
Not correct, precise, or exact; containing errors.
"The report was full of inaccurate data."
Not sufficient or good enough.
"The funding was inadequate to complete the project."
not suitable or proper in the circumstances
"It was inappropriate to talk loudly in the library."
lacking the ability, skill, or capacity to do something
"He is incapable of understanding complex instructions."
a thing that motivates or encourages someone to do something
"The company offers bonuses as an incentive to increase productivity."
Things that motivate or encourage one to do something.
"Tax incentives are used to encourage investment in renewable energy."
A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.
"She inched closer to the edge of the stage."
having a tendency or disposition toward something
"He is inclined to help those in need."
the action or state of including or being included within a group or structure
"Diversity and inclusion are key values in modern workplaces."
Including everything or everyone; not excluding any group or part.
"The school takes an inclusive approach to education."
Not finished, lacking some parts or not whole.
"Her report was incomplete and needed further details."
Not staying the same throughout; lacking harmony or regularity.
"His answers were inconsistent and confusing."
trouble or difficulty caused to someone; to cause trouble or difficulty to someone
"We apologize for any inconvenience caused by the delay."
causing trouble, difficulties, or discomfort
"It was inconvenient for her to travel during the storm."
to include something as part of a whole; to form a legal corporation
"The teacher incorporated new technology into her lessons."
A list of items arranged in order, or to arrange data systematically for reference.
"The book includes a detailed index at the end."
A sign, piece of information, or signal that suggests something.
"Dark clouds are an indication of an approaching storm."
a sign or piece of information that shows the state or level of something
"The rising unemployment rate is a clear indicator of economic troubles."
having no particular interest or concern; not caring one way or another
"She was indifferent to the outcome of the match."
originating or occurring naturally in a particular place; native
"These plants are indigenous to South America."
in a way that is not direct; through an intermediate means or influence
"The policy affected small businesses indirectly."
to cause or persuade someone to do something; to bring about a result
"The doctor induced sleep with a mild sedative."
to allow oneself to enjoy something enjoyable, often excessively
"He indulged in a piece of chocolate cake after dinner."
The rapid development of industry that occurred in Britain in the late 18th and 19th centuries, brought about by the introduction of machinery and characterized by the use of steam power and the growth of factories.
"The Industrial Revolution marked a shift in production processes."
The development of industries in a country or region on a wide scale.
"Industrialization changed the global economy dramatically."