[ suhb-free-zing ]
/ ˈsʌbˈfri zɪŋ /
below the freezing point.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for subfreezing
Wearing no hat or coat, despite the subfreezing chill, Johnson smiled broadly.
Mary Genter, a resident of this town of 4,000, came out in subfreezing weather to check him out.Rick Santorum Basks in Post-Iowa Glow in New Hampshire|Lois Romano|January 5, 2012|DAILY BEAST