The phrase "entire offseason" means the entire period of time between the end of one season and the beginning of the next season in a specific sport or activity. Full definition
In a sense, this was the perfect metaphor for the entire offseason. (sbnation.com)
The personnel is here for this offense to excel, but too often in 2017 they didn't, and that will be the focus of the entire offseason as Atlanta grapples with this one. (sbnation.com)
Justice will have the entire offseason to recover from his injury. (sbnation.com)