groundlessly

Adverb

1. In a groundless manner; without justification.
   • Shame, disappointment, and discomfiture gnawed at his heart; a constant apprehension of being overtaken, or met—for he was groundlessly afraid even of travellers, who came towards him by the way he was going—oppressed...
   • For example, the organization has groundlessly denounced Elon Musk, a powerful libertarian voice, as an antisemite in a baldfaced effort to drain his social network, X, of advertising revenue. Yet, when now-Minority...