Lose your clarity
To fog up is for a transparent surface to become obscured by condensation—moisture from the air or breath forming tiny droplets: My glasses fog up every time I come inside from the cold, The bathroom mirror fogged up after my shower.
Windows, windshields, and lenses commonly fog up when warm humid air meets a cooler surface.
IDEA.org / Words / fog up
Lose your clarity
To fog up is for a transparent surface to become obscured by condensation—moisture from the air or breath forming tiny droplets: My glasses fog up every time I come inside from the cold, The bathroom mirror fogged up after my shower.
Windows, windshields, and lenses commonly fog up when warm humid air meets a cooler surface.
1. condensation — steam, Heated water's gaseous form; humidity (Moisture in atmosphere); moisture (Small amounts of liquid); dew (Overnight surface condensation); droplets · vapor · mist · breath · haze · film · glasses · windshield · mirror · lens
2. obscure — blur, Lack of sharpness; cloud (Atmospheric water vapor mass); veil (Fabric that obscures); dim (Low in light); haze · obstruct · block · impair · visibility · vision · unclear · opaque · shroud · screen
OPTICAL CLARITYfog up ≠ clear Without obstruction or fog; clear up · defog · demist · unfog · become clear
VISIBILITY PROCESSfog up ≠ defog Remove condensation from glass; demist · clear · de-ice · dry out · dry up
up, fog, foggy, fogged, fogginess, defog, foggier, foggily, defogs
Word data: Linguabase (CC0) · www.idea.org/words/fog_up