1. Lasting through a week
   "her weeklong vacation"
   - seven-day

See also: long

• prolate
• prolate cycloid
• prole
• proleg
• prolegomenon
• prolepsis
• proletarian
• proletariat
• proletariate
• proliferate
• proliferation
• proliferous
• prolific
• prolificacy
• prolifically
• proline
• prolix
• prolixity
• prolixly
• prolixness
• prolocutor
• Prolog
• prologise
• prologize
• prologue