Also found in: Thesaurus.
tr.v. slath·ered, slath·er·ing, slath·ers Informal
a. To spread or smear in large amounts: slathered sunscreen on his arms.
b. To cover with something spread or smeared in large amounts: slathered the bagels with cream cheese.
n. often slathers Informal
A great amount: slathers of money.
1. (usually plural) informal a large quantity
2. open slather slang Austral and NZ a situation in which there are no restrictions; free-for-all
3. to squander or waste
4. to spread thickly or lavishly
[C19: of unknown origin]
1. to spread or apply thickly: to slather butter on toast.
2. to spread something thickly on (usu. fol. by with): to slather toast with butter.
3. to spend or use lavishly.n.
4. Often, slathers. a generous amount.
[1810–20, orig. uncertain]
Slathera large quantity.
Past participle: slathered