Translation guide
In Japanese, 'thick fog' is most commonly expressed with the noun 濃霧 (のうむ). For more descriptive or literary contexts, phrases like 深い霧 (ふかいきり) or 立ち込める霧 (たちこめるきり) are used. The adjective 'thick' can be translated as 濃い (こい) when modifying 霧 (きり).
To refer to thick fog as a weather phenomenon or in general descriptions.
The plane was delayed due to thick fog.
A dense fog advisory has been issued.
A common adjectival phrase meaning 'thick fog'. More conversational than 濃霧.
This morning I couldn't see ahead because of the thick fog.
Literally 'deep fog', often used in literary or poetic descriptions to emphasize density and obscurity.
A thick fog enveloped the forest.
To describe fog that is moving in, settling, or covering a place.
To express that thick fog is making it hard to see.
濃霧 (のうむ) is a formal, compound noun often used in weather forecasts and official announcements. 濃い霧 (こいきり) is the everyday, conversational way to say 'thick fog'. Both are correct, but 濃い霧 sounds more natural in casual speech.
While 厚い (あつい) can mean 'thick' for objects, it is not used with 霧. Always use 濃い (こい) or 深い (ふかい) for fog.
Visibility is extremely poor due to thick fog.