frost up

Become rime-coated

To frost up is to become covered with frost or ice crystals, typically on glass or metal surfaces in cold conditions: The windows had frosted up overnight.

It also describes condensation freezing on refrigerator coils or car windshields.

Figuratively, to frost up can mean to become cold or unfriendly in demeanor: She frosted up the moment he walked in.

coldness

ice

Water's solid form

  • freezeBecome solid from cold
  • chillCold sensation or relaxation
  • frigidExtremely and intensely cold

rime · crystallize · glaze · frozen · glaciate · subzero · arctic · polar · winter · refrigerate

condensation

fog

Low-lying cloud cover

  • mistFine airborne moisture
  • hazeMurky atmospheric suspension
  • steamHeated water's gaseous form

vapor · dew · moisture · humidity · breath · clouding · film · droplets · glaze · opacity

process

form

Shape or document

cover · spread · thicken · develop · gather · grow · creep · encrust · solidify · harden

obstruction

window

Glass-fitted wall opening

mirror · lens · visor · goggles · spectacles · visibility · obscured · blocked · impaired · scraper

Opposites
temperature/ice formation

frost upthaw out

Unfreeze after being cold

defrost · thaw · melt · de-ice · warm up

transparency/visibility

frost upclear up

Resolve or brighten

clear · defog · demist · unfog

Family

frost, frosts, frosted, frosting, frosty, frostier, frostiest, frostily, frostiness

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G