Adjectivous Dark Matter

How would you describe dark matter? These papers try to settle the question in their title — with a single adjective. Some make you wonder if the title preceded the idea.

[See also my Particle Bite.]

My favourites:

• cannibal (2016)
• forbidden (2015)
• homeopathic (2018)
• puffy (2019)
• selfish (2015)
• super-cool (2018)

Others:

• anapole (2012)
• asymmetric (2009)
• atomic (2009)
• bouncing (2022)
• brane-world (2003)
• charged (1989)
• clumpy cold (1992)
• clumpy neutralino (1998)
• co-interacting (2019)
• continuum (2021)
• cold and fuzzy (2000)
• coloured (2018)
• CPon (2024)
• cryptobaryonic (2005)
• dichromatic (2012)
• dilaton-assisted (2009)
• dipolar (2009)
• disformal (2020)
• dSphobic (2025)
• electroweak (2021)
• emergent (2025)
• exothermic (2010)
• flavonic (2023)
• fluid (2000)
• flux-mediated (2021)
• freeze-twin (2019)
• gluequark (2018)
• GUTzilla (2016)
• hidden charged (2009)
• hyper stealth (2024)
• impeded (2016)
• inelastic (2001)
• inflatable (2015)
• inflaxion (2019)
• Kaluza-Klein (2002)
• leak-in (2019)
• luminous (2010)
• macro (2014)
• minimal (2005)
• monodromy (2016)
• neutralino warm (2000)
• noble (2024)
• non-particle (2025)
• 𝜈-inflaton (2018)
• pandemic (2021)
• parafermionic (2018)
• pareidolic* (2013)
• quintessence (2025)
• regurgitated (2023)
• relaxion (2018)
• relentless (2017)
• repulsive (2000)
• resonant (2009)
• saturon (2023)
• scalar (2001)
• scatophobic* (2024)
• secluded WIMP (2007)
• self-destructing (2017)
• self-interacting (1992)
• self-resonant (2021)
• sneaky (2024)
• singlet-doublet (2012)
• spectator (2018)
• superfluid (2025)
• superheavy (1998)
• super-resonant (2022)
• technicolor (2008)
• topological (2009)
• undulating (2020)
• unparticle (2007)
• wave (2021)
• WISPy Cold (2012)

* April Fool's paper.