Meanings
nounsupernova impostor (plural supernova impostors)
plural supernova impostors
- astronomyAn extremely energetic stellar flare event that is bright enough to be mistaken for a supernova, but through later spectral analysis is revealed to not be one.
Origin
From being mistaken for a supernova.
Full word history & related roots →Rhymes & wordplay
Rhymes with supernova impostor
All rhymes →Cite this entry
APA
supernova impostor. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/supernova%20impostor
MLA
“supernova impostor.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/supernova%20impostor. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “supernova impostor,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/supernova%20impostor.
Source: supernova impostor on Wiktionary, CC BY-SA 4.0.