Definition of "nonsubstantive" [nonsubstantive]

• Not substantive. (adjective)

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• "The DoJ got 30,000 responses, (7,500 in favor, 15,000 opposed, 7,500 "nonsubstantive" opinion pieces and a bunch of spam and form letters)."
• "You have properly posted numerous items demonstrating your exasperation at trivial, nonsubstantive attacks on Edwards and his haircut."
• "Is it because the argument that Obama is shallow and nonsubstantive doesn't really fly when his record and his proposals are examined?"