The word "up rightly" refers to actions that are done correctly, honestly, and justly. As such, its antonyms would be terms that describe actions or behaviors that are done incorrectly, dishonestly, or unjustly. A few possible antonyms for "up rightly" could include words like "dishonestly," "wrongly" or "corruptly," all of which suggest actions that are characterized by deception, fraud, or immorality. Other potential antonyms for "up rightly" might include "unfairly," "improperly," or "unjustly," describing actions that are biased, inappropriate, or lacking in integrity. Ultimately, the antonyms for "up rightly" all describe actions that go against the principles of honesty, integrity, or social equity.