"fog" in the noun sense
droplets of water vapor suspended in the air near the ground
2. fog, fogginess, murk, murkiness
an atmosphere in which visibility is reduced because of a cloud of some substance
3. daze, fog, haze
confusion characterized by lack of clarity
"fog" in the verb sense
1. obscure, befog, becloud, obnubilate, haze over, fog, cloud, mist
make less visible or unclear
"The stars are obscured by the clouds"
"the big elm tree obscures our view of the valley"
Source: WordNet® (An amazing lexical database of English)
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