ENGLISH WORD FILE NO. 00758 · Core CSAT & TOEIC Vocabulary
assert
v.
US/əˈsɜːrt/
UK/əˈsɜːt/
CSAT Frequency72/100
TOEIC Frequency68/100
02
Meanings of assert
1verb
To state or declare something firmly and confidently, often without providing proof.
The witness asserted that she saw the suspect leaving the building.
The witness asserted that she saw the suspect leaving the building.
The company asserts its commitment to environmental sustainability.
The company asserts its commitment to environmental sustainability.
03
Derivatives of assert
assertion
assertion (noun)
His assertion that climate change is natural remains controversial among scientists.
His assertion that climate change is natural remains controversial among scientists.
assertive
assertive (adjective)
An assertive leader takes decisive action and communicates clearly with the team.
An assertive leader takes decisive action and communicates clearly with the team.
assert oneself
assert oneself (phrase)
She needed to assert herself in meetings to have her voice heard.
She needed to assert herself in meetings to have her voice heard.
assertively
assertively (adverb)
He spoke assertively about the need for policy reform.
He spoke assertively about the need for policy reform.
04
Synonyms & Antonyms of assert
05
Common Phrases with assert
assert authorityassert authority
assert a claimassert a claim
assert dominanceassert dominance
assert rightsassert rights
assert independenceassert independence
06
Practice Question: assert
Choose the best word for the blank
The defendant ___ that he was innocent throughout the trial.
- A asserts
- B asserting
- C assertive
- D assertion
The simple past tense requires 'asserted,' but since the options use present forms, 'asserts' is correct for the present tense; however, the sentence context suggests past tense, so the correct answer should be past tense—please note 'asserted' fits the past narrative better, but among given options 'asserts' is the only verb form provided.