Definition of hellful in US English:

hellful

noun

  • Usually in negative contexts. As much or as many as hell can hold; (more generally) a large amount. Chiefly with of.

Origin

Mid 17th century; earliest use found in Samuel Rutherford (c1600–1661), Church of Scotland minister and political theorist. From hell + -ful.

Pronunciation

hellful

/ˈhɛlfʊl/