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Most common C1 words · 10

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Understand each item before testing yourself. Choose honestly whether it already feels familiar or needs practice.

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assert

/əˈsɜːt/

An assertion; a section of source code which tests whether an expected condition is true.

Learn high-frequency C1 words for everyday understanding and conversation.

assert
Word
/əˈsɜːt/
An assertion; a section of source code which tests whether an expected condition is true.
assertion
Word
/əˈsɜːʃən/
The act of asserting; positive declaration or averment.
assurance
Word
/əˈʃɔːɹəns/
The act of assuring; a declaration tending to inspire full confidence; that which is designed to give confidence.
asylum
Word
/əˈsaɪləm/
A place of safety.
atrocity
Word
An extremely cruel act; a horrid act of injustice.
The regime is guilty of mass atrocities including forced displacement and the use of chemical weapons.
attain
Word
/əˈteɪn/
To gain (an object or desired result).
To attain such a high level of proficiency requires hours of practice each day.
attendance
Word
/əˈtɛn.dəns/
The state of attending; presence or waiting upon.
Attendance at the meeting is required.
attorney
Word
/əˈtɜː(ɹ)ni/
A lawyer; one who advises or represents others in legal matters as a profession.
attribute
Word
A characteristic or quality of a thing.
His finest attribute is his kindness.
audit
Word
/ɔː.dɪt/
A judicial examination.