hear of verb2 •To become aware of (a subject, person) through second-hand knowledge, or not through personal experience.I first heard of the Electra complex when I was studying psychology.Who is Tamara Williams? I've never heard of her. •To permit or tolerate.“The furniture – whatever could we possibly do about all this furniture? I refuse to sell it, Rachel. I won't hear of it.” — 1966 formsheard of · hearing of · hears of