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

Diesel prices began their monthslong rise in late February, with the launch of the Iran war and the soaring oil prices that came with it. — Rob Wile, NBC news, 4 Sep. 2026

The ruling marks a victory for Anthropic in its monthslong legal battle against the administration over its push to impose guardrails on its powerful AI model Claude, which is used by the military. — Joe Walsh, CBS News, 28 Aug. 2026

Before Thursday’s hearing, the Kennedy Center’s name had already been at the center of a monthslong legal battle. — Kaelan Deese, The Washington Examiner, 27 Aug. 2026

Recovering the physical copies from the empty school building, though, has turned into a monthslong dispute. — Nuria Martinez-Keel, Oklahoma Voice, 25 Aug. 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