hearthful noun 4adjective 1forms 4 noun4 •The amount a fireplace can hold.All furnaces were built with two sumps, wells or forehearths in which the molten aluminum accumulated, one hearthful or about two metric tons at a time. — 1947 •A quantity (of something) contained within a fireplace.Shortly before Thanksgiving, oil prices and expectations rising apace, I had accumulated a healthy hearthful of ashes which I painstakingly distributed on my lawn. — 1980 •A quantity (of something) sitting on a hearth outside a fireplace.And if gunning over an intelligent handsome setter enriches my sport, certainly a hearthful of them on a winter evening or speckled faces peering out of our station wagon are things to value. — 1971 •A homeful; enough to fill a cosy domestic situation.I did not leave you when I was young and how can I quit now that we are the parents of a hearthful of children? — 1963 adjective1 •Characterized by warmth, comfort, and a sense of belonging; cosy.The spot in Hillsdale County chosen by Mr. Jones was sightly and hearthful, watered by the St. Joseph River, and thickly wooded. — 2003 formshearthfuls · hearthsful · more hearthful · most hearthful