as much as a box can hold: a boxful of cornflakes.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use boxful in a sentence
She had been very quiet for some time, absorbed in a boxful of the packets of flower-seeds, with gay pictures outside.The Carroll Girls | Mabel Quiller-Couch
"We want them to arrive with some shape still left to them and not merely a boxful of crumbs," said Ethel Brown earnestly.Ethel Morton and the Christmas Ship | Mabell S. C. Smith
But I had a boxful of matches in my trouser pocket, half-emptied: and, as it turned out, Farrell had preserved another.Foe-Farrell | Arthur Thomas Quiller-Couch
Or they may be buried in a boxful of clean sand or sandy soil, and the sand kept moist by watering it every few days.Beautiful Shells of New Zealand | E. G. B. Moss
Jannie said he knew of none, except a boxful of cartridges standing in the loft.The Petticoat Commando | Johanna Brandt