Meanings of concluded feebly in English

If you want to work," she concluded feebly, "why can't you work just as well in your home?"

"At least," he concluded feebly, "I'm perfectly willing to be a war correspondent."

"I think he'll do right by you," Bowers concluded feebly.

"To the proper authorities," he concluded feebly.

"I mean he ain't enough ashamed," he concluded feebly, and feigned that someone had called him imperatively from the door of the First National Bank.