"Ignominious" is an adjective. It is used to describe something that is shameful, dishonorable, or deserving of disgrace.
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I think the correct spelling of the word is "ignominious" An
example would be: "His ignominious behavior was indicative of poor
social upbringing." Wherein ignominious is an adjective meaning
disgraceful or reprehensible.
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Even though she was found not guilty, the embezzlement trial brought an ignominious end to what could have been a brilliant career.
The heiress' mother refused to allow her to date a young man of such ignominious fame.
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Most of the international community considers the actions of the
Libyan dictator Ghaddafi in attacking protesters in the eastern
part of his country to be ignominious.