Completely Belligerent and Unrefined

you bet your butt there is! they’re called contronyms

(before getting into the words, I should clarify that the following words words aren’t really contronyms. Instead, their new definition is the opposite of the more archaic one)

artificial new definition: made or produced by human beings rather than occurring naturally.artificial old definition: artfully or skillfully made.awful new definition: very bad or unpleasant.awful old definition: inspiring reverential wonder.harlot new definition: a mischievous man.harlot old definition: a prostitute or promiscuous woman.resentment new definition: bitter indignation at having been treated unfairly.resentment old definition: the quality of being thankful.specious new definition: misleading in appearance, especially misleadingly attractive.specious old definition: fair or beautiful.symposium new definition: a drinking party.symposium old definition: a conference or meeting to discuss a particular subject.terrific new definition: of great size, amount, or intensity.terrific old definition: making someone afraid or anxious; terrifying.

then there are words that can mean one of two things which are opposite! (the true contronyms)

bitch: someone who is over aggressive or domineering OR someone who is clip: to bind together OR to seperatedust: remove the dust from something OR apply dust to somethingoff: to turn off (a light) OR the go off (an alarm)resign: can either be resign or re-signseed: lay down seed OR remove the seeds from somethingstone: throw stones at OR remove the stone from a fruit (peaches, plums etc.)