1
frigid
1
frosty
1
frozen
1
glacial
1
ice-cold
1
nippy
1
numb
1
old
1
old-fashioned
1
old-time
1
old-world
1
oldfangled
1
outmoded
1
retro
1
retrograde
1
slow
1
snappy
1
undemonstrative
1
unemotional
1
unsexy
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). red-hot thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/red-hot/thesaurus/antonyms
ChicagoSmart Define. 2015. "red-hot thesaurus" https://smartdefine.org/red-hot/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, red-hot thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/red-hot/thesaurus/antonyms>.
MLASmart Define. "red-hot thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/red-hot/thesaurus/antonyms>