hourlong

/ˈaʊərlɔːŋ/
adjective
  1. Lasting for one hour.
    • She scheduled an hourlong meeting to discuss the project.
    • We watched an hourlong documentary about ocean life.
    • The professor gave an hourlong lecture on ancient Rome.
Antonyms
What does "hourlong" mean? | whatsthatwordmean | whatsthatwordmean