When you slake something, such as a desire or a thirst, you satisfy it. A big glass of lemonade on a hot summer day will slake your thirst.

The word slake traces back to the Old English word slacian, meaning to “become less eager.” If you slake something, like thirst, you become less eager to drink. In other words, you are less thirsty. Like satisfy and quench, close relatives of slake in meaning, the word is used to indicate that a craving is made less intense by getting whatever it is that you crave.

Definitions of slake

v satisfy (thirst)

allay, assuage, quench
Type of:
fill, fulfil, fulfill, meet, satisfy
fill or meet a want or need

v make less active or intense

abate, slack
Type of:
decrease, lessen, minify
make smaller

v cause to heat and crumble by treatment with water

alter by exposure to air with conversion at least in part to a carbonate
Type of:
cause to be hydrated; add water or moisture to

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