This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Informal A large quantity or group: "The President faces a passel of domestic issues” ( Christian Science Monitor).

n. An indeterminately large quantity or group.

n. An obsolete or dialectal form of parcel.

n. (often followed by `of') a large number or amount or extent

"Umlaut knew the word passel because he had heard Demon Professor Grossclout use it once."

large indefinite quantity    large indefinite amount   

inundation    flood    deluge    torrent    haymow   

houseful    'fraid    wust    stiddy    burring    keer    afeard    zoop    gaggle    ebbery