An Asian butterfly, Thaumantis noureddin, of the family Nymphalidae.

(Catholicism) a period of time in which a holy person (someone believed to be potentially on their way to sainthood) experiences a seeming withdrawal of God's previously-felt presence in their lives, and undergoes stark spiritual attacks. This period of time is seen (by Catholics) to be a period in which God is calling the holy person to rid themselves of any remaining vestiges of self-pride and vanity that they may have.

(simile, informal) Extremely dark; pitch-black.

Junco hyemalis, a passerine bird in the passerine family Passerellidae.

(of a potential romantic partner) Mysterious and physically appealing.

(politics) An informal group of commentators who oppose what they regard as the dominance of identity politics, political correctness, and cancel culture in higher education and the news media within Western countries.

plural of dark crimson underwing

Catocala sponsa, a species of underwing moth.

(information technology) The lack of historical information in the digital age as a direct result of outdated file formats, software, or hardware that becomes corrupt, scarce, or inaccessible as technologies evolve and data decays.

Alternative form of better to light a single candle than to curse the darkness