No, I'm not, either/at all.

diamondcutter

Senior Member
Joined
Oct 21, 2014
Member Type
English Teacher
Native Language
Chinese
Home Country
China
Current Location
China
“My legs are hairy for a good reason,” replied Charlotte. “Furthermore, each leg of mine has seven sections—the coxa, the trochanter, the femur, the patella, the tibia, the metatarsus, and the tarsus.”
Wilbur sat bolt upright, “You're kidding,” he said.
“No, I'm not, either.”
“Say those names again, I didn't catch them the first time.”
“Coxa, trochanter, femur, patella, tibia, metatarsus, and tarsus.”

Source: Charlotte's Web, E. B. White

In this sentence--No, I'm not, either, I think “either” means “at all”. Am I right?
 
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