Synonym: blur, cloud, confuse, dim. Similar words: for, log, cor, do., gob, long., pop., veg. Meaning: [fɑg ,fɔg /fɒg] 
n. 1. droplets of water vapor suspended in the air near the ground 2. an atmosphere in which visibility is reduced because of a cloud of some substance 3. confusion characterized by lack of clarity. v. make less visible or unclear.
n. 1. droplets of water vapor suspended in the air near the ground 2. an atmosphere in which visibility is reduced because of a cloud of some substance 3. confusion characterized by lack of clarity. v. make less visible or unclear. 
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1) The fog cleared away and the full moon appeared.
2) All flights have been cancelled because of fog.
3) Thick patchy fog and irresponsible driving were to blame.
4) Ghostly shapes loomed out of the fog.
5) The sun dispelled the dense fog.
6) The ships collided in the fog.
7) The little village was overcast by the morning fog.
8) You should exercise extreme caution when driving in fog.
9) The flight was delayed as a result of fog.
10) The mountain peak loomed through the fog.
11) Outside,(http://sentencedict.com/fog.html) the fog was thick and impenetrable.
12) The sun soon dispelled the thick fog.
13) Be doubly careful when driving in fog.
14) The fog was dispersed by the wind.
15) Thick/Heavy/Dense fog has made driving conditions dangerous.
16) Don't ignore the fog warning signs .
17) The danger of shipwreck is much greater in fog.
18) The fog is beginning to thin.
19) Traffic slowed down because of the dense fog.
20) Fog clouded the road ahead.
21) Outside the fields were blanketed in fog.
22) The crash happened in thick fog.
23) Drizzle and patchy fog are forecast.
24) Expect variable cloudiness and fog tomorrow.
25) I'm a bit wary of driving in this fog.
26) We got lost in the thick fog.
27) It is dangerous to drive in a thick fog.
28) The fog was beginning to thicken.
29) Patches of fog will clear by mid-morning.
30) The fog rolled in, and a grey shroud covered the city.