monthslong

adjective

months·​long ˈmən(t)ths-ˈlȯŋ 

: lasting through several or many months

a monthslong delay

Federer goes on one of his monthslong winning benders …

—L. Jon Wertheim

Examples of monthslong in a Sentence

Recent Examples on the Web

The Pentagon is informing more than 2 million current and former military members that their personnel records storing sensitive personal information were stolen over a monthslong compromise of one of its networks. — Dan Goodin, ArsTechnica, 1 Oct. 2026

Detectives began a monthslong investigation after a June 14 strong-arm robbery near 11th Street and Washington Avenue, Officer Christopher Bess, spokesperson for the Miami Beach Police Department, said in a statement. — Sofia Saric, Miami Herald, 30 Sep. 2026

The gradual reappearance follows a monthslong shortage that began earlier this year. — Peter Burke, FOXNews.com, 30 Sep. 2026

Mecklenburg’s motion to intervene officially broke her monthslong silence and offered a new perspective on what happened. — Jason Meisner, Chicago Tribune, 25 Sep. 2026

Word History

First Known Use

1898, in the meaning defined above

Rhymes for monthslong

• agung
• along
• belong
• birdsong
• furlong
• headlong
• headstrong
• lifelong
• plainsong
• prolong
• sarong
• tanjong