Simple past tense and past participle of ditch.(verb)
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Use "ditched" in a sentence
"Odd, irregular items and things shipped there to be desperately ditched from the wealthy universe beyond Haiti, like printed T-shirts from sports championships that never happened."
"Say jwest were you one of those people who anti-elitist Palin ditched during one of her book signings?"
"Einstein ditched aether and replaced it with spacetime, which turned out to be a physical object with its own degrees of freedom (that's general relativity)."