It is the sharpest blade with the ability to cut through anything, in sharp contrast to its ironic name, meaning "blunt".

The Deds are not the only characters with ironic names in this novel.

What an ironic name for her, when she's so dreadfully unhappy.

"They think it's an ironic name for a built system."

It also functions as an ironic name in this case, due to John being physically enormous.

The face that the white world saw; ironic name for a woman a shade less than five feet in height.

Neither man knew the contents of Thomas' coded message, or its cruelly ironic name.

Prison officials have yet to comment on the ironic name of the prison.

An ironic name for the biggest canyon in the solar system.

She thought it an ironic name for something so torturous.