Nebulus is a rarely used word in everyday language. It describes something that is hazy or indistinct, often used to describe a misty or foggy atmosphere. Some synonyms for nebulus include nebulous, cloudy, murky, dusky, indistinct, blurry, obscure, and ambiguous. These words can be used interchangeably to describe something that is not clear or easy to define. For example, a nebulous idea would refer to a concept that is not well-defined or formed. Similarly, a cloudy day would refer to a day with low visibility or a misty atmosphere. Overall, synonyms for nebulus can be useful when trying to describe something that is not clear or easy to understand.