4000 Duolingo Vocabulary List

Preparing vocabulary for the Duolingo English Test (DET) is a smart move! Since vocabulary plays a huge role in all parts of the exam (Reading, Use of English, Writing, Listening, and Speaking), here’s a focused vocabulary to help you build and remember the right words effectively.

In addition to the vocabulary, we also provide online tools and exercises to support your studies, along with helpful tips and printable materials.

We organize these 4000 words into 14 groups. Group one is open to all visitors. The rest of the groups are only fully accessible to VIP users.

acidity  
n. pH values below 7; taste experience when something acidic is taken into the mouth
High acidity and elevated levels of metals can seriously impair water bodies' ability to support life, resulting in a decline in species diversity.
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acquaintance  
n. personal knowledge or information about someone or something
He also reconnected with Doris Schmitz, an acquaintance from the University of Frankfurt.
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acquisition  
n. act of contracting or assuming or acquiring possession of something
It has received an unsolicited, 15 dollar a share acquisition proposal from partners.
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activate  
v. make active or more active; stimulate; make radioactive
The carriers say they want to encrypt and store the credentials in the phone's SIM card, the small chips to activate access to mobile networks.
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actuate  
v. put into motion or action; activate
I fail to understand what might actuate you to reply to this letter so nastily.
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acute  
a. quickly perceptive; keen; having a sharp point or tip; extremely sharp or severe
Her early writing was grounded in acute observation of the natural world.
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