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What is the opposite of morally acceptable?

Need antonyms for morally acceptable? Here's a list of opposite words from our thesaurus that you can use instead.

Adjective
Lacking in morals or ethics
“Still, is it unethical to bring an extinct species back from the dead?”
Adjective
Having or showing a willingness to act dishonestly in return for money or personal gain
“We must vote these corrupt politicians out of office!”
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