CEFR Level
Too many to be counted.
"She has innumerable memories of her childhood."
Not likely to offend or provoke; harmless.
"His inoffensive remarks kept the conversation friendly."
Excessive or unusually large in degree.
"She spent an inordinate amount of time on her phone."
relating to substances that are not derived from living organisms; lacking organic structure or growth
"Inorganic compounds are commonly studied in chemistry labs."
A legal or official inquiry, especially into the cause of a death.
"The inquest revealed the cause of the accident."
A prolonged and intense questioning or investigation, often harsh in nature.
"The journalist faced an inquisition from the panel about his sources."
Curious or eager to learn and ask questions.
"The inquisitive child asked endless questions about the stars."
the state of being seriously mentally ill; extreme foolishness or irrationality
"The defense lawyer argued that his client was not guilty by reason of insanity."
impossible to satisfy; always wanting more
"Her insatiable curiosity drove her to read every book in the library."
to write or carve words or symbols on a surface
"They inscribed her name on the trophy."
a substance used for killing insects; a chemical pesticide that targets insects
"The farmer sprayed insecticide on his crops to protect them from harmful bugs."
Unconscious; unaware of or indifferent to something.
"He was insensible to the cold as he lay in the snow."
Unable to be separated or always together.
"The two friends have been inseparable since childhood."
the action of inserting something into something else
"The insertion of the new data was completed successfully."
Proceeding in a gradual, subtle way but with harmful effects.
"The insidious spread of misinformation can damage trust."
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
"His insightfulness helped solve the complex problem."
The quality of being unimportant or trivial.
"He felt a sense of insignificance in the vast universe."
To suggest or hint something indirectly and often unpleasantly.
"He insinuated that she had lied about her qualifications."
demanding something firmly and refusing to accept no
"The child was insistent on getting a new toy."
showing a rude and arrogant lack of respect
"The insolent student refused to follow the teacher's instructions."
the state of being unable to pay money owed; bankruptcy
"The company declared insolvency after years of financial struggles."
unable to pay debts owed
"The insolvent firm could not meet its financial obligations."
the condition of being unable to sleep
"She suffered from insomnia due to stress at work."
not stable; liable to change, collapse, or fail; lacking firmness or reliability
"The instable political situation worried foreign investors."
Happening immediately, without any delay.
"The change in temperature was almost instantaneous."
To bring about or initiate an action, often something negative.
"He was accused of instigating the riot."
A person who brings about or initiates something, usually something bad.
"The police identified him as the instigator of the violence."
to gradually but firmly establish an idea, attitude, or habit in someone's mind
"Parents try to instill good values in their children."
Based on instinct; done without conscious thought; natural and automatic.
"His instinctive reaction saved his life."
to establish something as a formal institution, custom, or practice
"The government seeks to institutionalize environmental protection."
useful and informative; providing knowledge or instruction
"The lecture was highly instructive and engaging."
Defiant of authority; disobedient to orders.
"The insubordinate employee refused to follow the manager's instructions."
Defiance of authority; refusal to obey orders.
"The soldier was punished for insubordination during the mission."
Lacking strength, substance, or solidity.
"The evidence provided was insubstantial and unconvincing."
Too extreme to bear; intolerable.
"The heat during the summer was insufferable."
The state of not being enough or not being adequate.
"The project failed due to the insufficiency of funds."
Narrow-minded, isolated, or relating to an island.
"The community was criticized for its insular attitudes toward outsiders."
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
"The house was insulated to reduce heating costs."
Material used to prevent heat, sound, or electricity from being transmitted from one area to another.
"Insulation of food storage areas can prevent pests from entering."
An act of rebellion or uprising against authority.
"The government struggled to contain the growing insurgence."
A person who rises in revolt against authority or government.
"The army arrested several insurgents after the attack."
Too great to be overcome.
"The explorers faced insurmountable odds in the desert."
Unable to be touched or grasped; not having a physical presence.
"Trust is an intangible quality in relationships."
The ability to think, reason, and understand objectively.
"Her intellect is admired by all her colleagues."
Able to be understood; clear enough to be comprehended.
"Her speech was barely intelligible over the noise."
The process of becoming or making something more intense or extreme.
"The intensification of climate change requires urgent action."
to stop, catch, or seize something on its way from one place to another
"The police intercepted the stolen car before it crossed the border."
able to be exchanged with each other without difference or loss of function
"These machine parts are interchangeable, so they can be replaced easily."
The state of being interconnected or the degree of connectivity between components
"The rise of interconnectivity has transformed global communication."
The dependence of two or more people or things on each other.
"The interdependency of the countries led to greater cooperation."
