When you sweeten something, you make it taste sweeter. To sweeten your lemonade, just add more sugar.

To literally sweeten something, like your muffin recipe or a cup of tea, all you need to do is add something that tastes sweet, like honey, molasses, sugar, or even apple juice. When you figuratively sweeten something, you make it more appealing or acceptable. The phrase "sweeten the pot" or "sweeten the deal" comes from poker, in which it means to add more bets (or money) to the game.

Definitions of sweeten

v make sweeter in taste

dulcify, dulcorate, edulcorate
acetify, acidify, acidulate, sour
make sour or more sour
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sweeten with honey
saccharify, sugar
sweeten with sugar
candy, glaze, sugarcoat
coat with something sweet, such as a hard sugar glaze
heat with sugar and spices to make a hot drink
Type of:
change taste
alter the flavor of

v make sweeter, more pleasant, or more agreeable

sweeten a deal”
Type of:
alter, change, modify
cause to change; make different; cause a transformation

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