To discard (trash, garbage, or the like), to toss out, to put in the trash, to dispose of.(verb)
To waste, to squander.(verb)
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Use "throw away" in a sentence
"You have to throw away a lot of foreshots, and you have to permit slow, low alcohol fermentations if what you want is good booze."
"Dr. Latanick convinced me to throw away my scales and begin to eat mindfully."
"They import this product, drink the garbage, and then throw away the valuable resource, says Puerto Rican activist Juan Rosario, bemoaning the high levels of soda consumption and low level of recycling on his island.83"