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42,394 words to explore
1,392 words
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inspire
to stimulate creativity or thought
instinct
An innate behavior or response to situations.
instructions
Information that tells you how to do something.
insulate
To protect from heat, cold, or electricity.
insulin
Hormone that regulates blood sugar levels in the body.
integrate
to combine different parts into a whole
integrated circuit
A tiny chip holding many connected electronic parts that work together.
integration
racial or social inclusion in society
intensity
The strength or force of something.
intensive
Involving a lot of effort or focus.
interact
to act upon each other
intercollegiate
Between or among colleges.
interlibrary
Happening between two or more libraries.
international date line
An imaginary line in the Pacific where the calendar day changes.
internship
A temporary position for gaining experience.
intestine
Part of the digestive system in animals.
intramural
activities within a single institution or organization
intricate
very detailed or complicated.
introspection
The examination of one's own thoughts and feelings.
introvert
A person who prefers solitary activities.
invasive
Tending to spread and harm local ecosystems.
invertebrate
An animal without a backbone.
investigative reporting
News work that spends a long time uncovering hidden facts or wrongdoing.
invoice
a list of goods or services with prices
Words selected by Inoh for the TOEFL iBT test. Not an official ETS list. How these words were chosen →