Foggily is an adverb that means unclearly or hazily. Some synonyms for foggily are indistinctly, dimly, vaguely, obscurely, hazily, murkily, and cloudily. Other words that could be used in place of foggily include dully, fuzzily, shadowy, and misty. These synonyms can be used depending on the context of the sentence. For example, "The instructions were hazily explained," could be replaced with "The instructions were foggily explained." In any case, it is important to choose the right synonym to ensure that your message is conveyed clearly and accurately.