supernova /ˌsuː.pə(ɹ)ˈnəʊ.və/ noun2 •A powerful and bright explosion of a massive star, which afterwards becomes a neutron star or a black hole, or is destroyed. •(figurative) Something brilliant.Cornelius was the only one dressed in muscle but collectively they were a bully supernova. — 2019 formssupernovae · supernovas