thoughtcast noun 1verb 1forms 2 noun1 •A telepathic message or transmission.Rath scowled. Her mental voice was faint, as though something were interfering with her thoughtcast. — 2003 verb1 •To project thoughts telepathically.We've been at this for a long time, huh ? Kenneth thoughtcasts it to Renning, knowing full well that he can grab every word. — 1995 formsthoughtcasting · thoughtcasts