lengthy report

Translations
длинный отчет
The manager submitted a lengthy report on the project's progress.
Менеджер представил длинный отчет о ходе проекта.
Definitions
A lengthy report is a detailed document that provides extensive information on a particular subject, often characterized by its considerable length and thorough analysis, including data, findings, and recommendations.
Words
report

noun
отчёт
lengthy

adjective
длительный