"Niggardly" (noun: "niggard") is an adjective meaning "stingy" or "miserly", related to the Norwegian verb nigle. It is cognate with "niggling", meaning "petty" or "unimportant", as in "the niggling details"
"That man is acting niggardly"
__________________ "We're equally proud of our safety record. Not once in our nearly 50 years of operation has an animal pathogen escaped from the island."