adjective. Covering a wide range in a random way; indiscriminate.

adjective. Covering a broad range in a random and unsystematic way.

adjective. covering a wide range in a haphazard way

"This Romans-to-NASA section of the book prompts a gee-whiz reaction (and the wistful hope that it 's true), and Mr. Kelly has plenty of other nuggets to pass along — delivered mostly in scattershot fashion."

scattergun  

indiscriminating  undiscriminating  

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