[*** \mathrm{fog}^1] |fôɡ, fäɡ|

1. a thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface which obscures or restricts visibility (to a greater extent than mist; strictly, reducing visibility to below 1 km):

霧, 濃霧(→ mist)

e.g. the collision occurred in thick fog.

in singular an opaque mass of something in the atmosphere:

〖単数形で〗(立ちこめた)煙; ほこり

e.g. a whirling fog of dust.

Photography cloudiness which obscures the image on a developed negative or print.

〖具体例ではa (...) ～/～s〗 〘写〙 (写真の)かぶり, 曇り

2. in singular something that obscures and confuses a situation or someone's thought processes:

｟くだけて｠ 〖単数形で〗うやむやな状態; 混乱, 霧中

e.g. the origins of local government are lost in a fog of detail.

verb (fogs, fogging, fogged)

1. (with reference to a glass surface) cover or become covered with steam:

〈ガラスなど〉を曇らせる, …を霧で覆う, 霧に包む(up)

e.g. with object : hot steam drifted about her, fogging up the window

〈ガラスなどが〉曇る, 霧が立ちこめる(up, over)

e.g. no object : the windshield was starting to fog up.

Photography make (a film, negative, or print) obscure or cloudy.

〈写真〉をかぶらせる, 曇らせる

2. bewilder or puzzle (someone):

｟話｠ 〈人･頭〉を混乱させる; 〖be ～ged〗 〈人･頭が〉困惑する, 混乱する; ぼうっとする

e.g. she stared at him, confusion fogging her brain.

make (an idea or situation) difficult to understand:

〈問題など〉をぼやかす, ぼかす.

e.g. the government has been fogging the issue.

3. treat with something, especially an insecticide, in the form of a spray:

e.g. Winnipeg stopped fogging for mosquitoes three years ago.

confusion caused by the chaos of war or battle:

e.g. he argues that the fog of war clouded everyone's judgment.

in a state of perplexity; unable to think clearly or understand something.

mid 16th century: perhaps a back-formation from foggy.

[*** \mathrm{fog}^2] |fôɡ, fäɡ|

the grass which grows in a field after a crop of hay has been taken.

long grass left standing in a pasture and used as winter grazing.

late Middle English: origin uncertain; perhaps related to Norwegian fogg.