Simple past tense and past participle of slave.(verb)
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Use "slaved" in a sentence
"The little replicators are now all "slaved" -- no longer running loose but under tight control -- and they scurry about busily; the astonishing sharp shadows and black sky still delight him."
"By Don Marquis, in "archys life of mehitabel," if all the verse what i have wrote were boiled together in a kettle twould make a meal for every goat from nome to popocatapetl mexico and all the prose what i have penned if laid together end to end would reach from russia to south bend indiana but all the money what i saved from all them works at which i slaved is not enough to get me shaved every morning and all the dams which i care if heaped together in the air would not reach much of anywhere they wouldnt because i dont shave everyday and i write for arts sake anyway and always hate to take my pay"
"It's just like when your teacher gives you back the book report you slaved over and thought was perfect."