This is the 765th most frequent Persian word.
ادعا
Claim.
In this case, 'ادعا' refers to a declaration or assertion, possibly an exaggerated one.
ادعای او درباره موفقیتش بسیار اغراقآمیز به نظر میرسد.
His claim about his success seems very exaggerated.
Here, 'ادعا' is used to mean the act of asserting or alleging knowledge or an idea.
هر کسی نمیتواند ادعای دانستن تمام جوانب یک موضوع پیچیده را بکند.
Not everyone can claim to know all aspects of a complex subject.
Here, 'ادعا' means to state or assert something, often without proof or evidence.