daylong

adjective

day·​long ˈdā-ˌlȯŋ 

: lasting all day

a daylong tour

Examples of daylong in a Sentence

a daylong tour of the city

Recent Examples on the Web

Robert Edmonston, 53, a Carlsbad resident, was spotted offshore from South Carlsbad State Beach on Sunday, following a daylong search, according to the county Medical Examiner’s Office. — City News Service, San Diego Union-Tribune, 28 July 2026

Throughout the daylong meeting, FDA scientists detailed a lack of evidence supporting the use of the peptides along with safety concerns. — Sara G. Miller, NBC news, 23 July 2026

Picard had organized a daylong symposium to give fellow mitochondria enthusiasts a chance to discuss the latest findings in their rapidly growing field, from immune cell bioenergetics to time perception. — Rachel Nuwer, Quanta Magazine, 17 July 2026

The daylong gathering was meant to escalate the administration's campaign against a growing transnational 'far left' threat that many experts say doesn't exist. — Josh Meyer, USA Today, 16 July 2026

Word History

First Known Use

before the 12th century, in the meaning defined above

Rhymes for daylong

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