to be demoted without due cause or reason

"to demote or devalue someone or something WITH considerable cause."

- from the root word pluto, a name of a former planet, which was demoted and designated as 134340,(dwarf planet) because it didn't meet its definition of a Planet.

"To demote or devalue someone or something, as happened to the former planet Pluto when the General Assembly of the International Astronomical Union decided Pluto no longer met its definition of a planet."

Does not inherently note whether the demotion was with or without cause. This is the definition provided by the American Dialect Society, who coined the word.

To demean another to make them feel as though they don't amount to anything. As the scientists did to Pluto.
It's okay Pluto, I'm not a planet either.

to be demoted of rank just like ex planet pluto

to be lessened in rank

to demote someone WITH considerable cause

To be demoted in some fashion.

This word comes from the former planet Pluto being demoted from planetary status