The word "libellously" refers to publishing something defamatory or slanderous against someone. Some synonyms for "libellously" include "slanderously," "calumniously," "defamatorily," and "maliciously." These words all describe the act of spreading false or damaging information about someone with the intent to harm their reputation. Other related words include "vituperatively," "contumeliously," and "malignantly," which all suggest a particularly hostile or aggressive tone. It's important to be mindful of the impact our words can have on others and to choose them wisely. Using synonyms like "libellously" reminds us of the power of our language and the responsibility that comes with it.