Definition of fog - Reverso English Dictionary
Noun
1.
weatherthick cloud near the ground reducing visibility
- The fog made driving difficult this morning.
2.
substancecloud of smoke or mist reducing visibility
- A fog of smoke filled the room.
3.
confusionmental state of confusion or lack of clarity
- He was in a fog after the long meeting.
4.
photographyTECH. blur or discoloration on a photographic imageTECH.
- The photo had a fog due to improper development.
Verb
1.
become obscuredintr. become covered with a thick cloud of tiny water dropletsintr.
- The mirror began to fog while she showered..
2.
confusiontr. make something confusing or uncleartr.
- The details fogged his memory.
3.
photographytr. TECH. make a photographic film dim or obscuretr. TECH.
- The old film fogged due to light exposure.
4.
agriculturetr. TECH. disperse insecticide into a forest canopytr. TECH.
- They fogged the area to control pests.
Images of fog

thick cloud near the ground reducing visibility 
cloud of smoke or mist reducing visibility
Expressions with fog
💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.
become covered with condensation or moisture
The bathroom mirror fogged up after the shower.
state of mental confusion or lack of clarity
After the long meeting, I felt a bit of brain fog.
not seeing or understanding clearly
He was in the fog during the entire lecture.
make a topic unclear or confusing
The politician tried to fog the issue during the debate.
thick layer of fog covering an area
The city was covered in a blanket of fog this morning.
remove confusion or misunderstanding
The teacher's explanation helped clear the fog around the complex topic.
confused or unable to think clearly
After the long meeting, I was in a fog and couldn't focus.
large area covered by fog resembling a sea
The hikers were surrounded by a sea of fog.
improve mental clarity or alertness
A good night's sleep can lift the fog and improve your focus.
very thick fog reducing visibility significantly
Driving was impossible in the pea soup fog.
machine making artificial fog for shows, training, or special effects
The fog machine filled the room with thick mist.
bright light on a vehicle used in foggy conditions
He turned on the fog lights to see through the dense fog..
powerful light for foggy conditions on vehicles
He turned on the fog lamp to see through the mist.
stopping fog from forming on a surface
These anti-fog goggles help you see clearly underwater.
documentary film about concentration camps
Night and Fog is a haunting documentary about the Holocaust.
liquid used in fog machines to create artificial fog
The fog juice made the stage look mysterious.
altitude or thickness of atmospheric fog
The fog level was too low for flying.
dense winter fog containing ice particles
The city was enveloped in ice fog all morning.
uncertainty in military operations due to lack of information
The general struggled with the fog of war during the battle.
bright red light at the back of a vehicle for foggy weather
The rear fog lamp helps drivers see your car in thick fog.
sound or light used to warn ships during fog
The lighthouse emitted a fog signal to alert nearby vessels..
Origin of fog
Old Norse, fok (spray, snow)
Terms with fog included in their meaning
💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
mental fog
stunned or confused and slow to react
pollution
polluted air from smoke and fog
weather
become covered in mist or fog
mental fog
stunned, unable to think clearly or pay attention
weather
thick fog that reduces visibility
air quality
full of dirty air from smoke and fog
weather
remove fog or mist from an area
weather atmosphere
air looks unclear because of mist, fog, dust, or heat
misty sunlight
sunshine with a slight mist or fog
weather
covered in mist or fog
mind fog
confused or distracted due to external influences
weather
fog formed when cold air moves over warmer water
mental state
state of confusion or mental fog
fog
thick fog that reduces visibility
weather
light fog with snowflakes
weather
characterized by a light fog or haze
weather
thick mist or fog reducing visibility
weather
area free of fog or mist
weather
dense fog or cloud
weather
dense fog with a greenish tint
create haze
cause a thick haze by mixing smoke and fog
fogbow
rainbow-like arc seen in fog
haze
thick mist or fog that makes it hard to see
acr: fog of war
game feature hiding unexplored areas
Examples of fog in a sentence
Fog covered the landscape, creating an eerie atmosphere. The fog made driving nearly impossible. A dense fog settled over the city. She felt like she was in a fog during the exam. The medication left him in a fog all day. The vintage camera often produced a fog on images.
A fog appeared on the film after exposure to light. The car windows fog quickly in the cold weather. His glasses fog when he enters a warm room. The smoke fogged the entire room. Her explanation only fogged the issue further. The negatives fogged when left in the sun. Improper storage can fog the photographic film. Farmers fog the orchards to protect the crops. They plan to fog the forested area next week.
View all translations of fog
Click below to see the appropriate translations facing each meaning.
- French:brouillard, s'embuer, ...
- German:Nebel, beschlagen, ...
- Italian:nebbia, appannarsi, ...
- Spanish:niebla, empañarse, ...
- Portuguese:nevoeiro, nublar, ...
- Chinese:雾, 起雾, ...
- Japanese:霧, 曇る, ...
- Arabic:ضَباب, اِغْتَمَّ, ...
- Hebrew:עֲרָפֶל, לְהִתְעַרְפֵּל, ...
- Russian:туман, запотевать, ...
- Ukrainian:туман, запітніти, ...
- Hindi:कोहरा, धुंधला होना, ...

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