Marooner noun2 •A member of the American pop rock band Maroon 5.In the middle of interviewing Maroon 5 for E!, Ryan Seacrest asked Marooner Adam Levine to spit out the gum he was chewing. — 2006 •A fan of the American pop rock band Maroon 5.Wearing shades of red (and maroon, of course) Filipino Marooners were more than ready to watch the iconic band Maroon 5 last January 29 for their Manila stop as part of their Asia 2025 tour. — 2025 formsMarooners