UNHE'ARD, adjective 1. Not heard; not perceived by the ear. 2. Not admitted to audience. What pangs I feel, unpitied and unheard! 3. Not known in fame; not celebrated. Nor was his name unheard 4. unheard of; obscure; not known by fame. Unheard of, new; unprecedented.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI