Simple past tense and past participle of gap.(verb)
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Use "gapped" in a sentence
"In these states McCain gapped Obama with white blue collar, rural, and older white voters."
"King Conan is getting on, as de Camp introduces the story, and feeling generation gapped from the kids, etc."
"If your child is "gapped" -- if the aid package, added to what you can afford to pay, still leaves a black hole -- go back to the financial-aid office and request a review."