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

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v. Informal To use or give great amounts of; lavish: slathered gifts and attention on their only child.

v. To spread thickly: slather onions on the steak.

v. To cover with something spread thickly: bagels slathered with cream cheese.

n. Slang A great amount. Often used in the plural: slathers of jewels.

n. A generous or abundant quantity.

v. To spread something thickly on something else; to coat well.

v. To apply generously upon.

n. A quantity; a large piece: usually in the plural.

v. spread thickly

"The Plugra butter slather is the best way to sample breads, IMHO."

slathers   

spread   

Cather    Mather    bather    blather    gather    lather    rather   

`togetherness'    ruminating    fishtail    snowdrift