The word "be dew" refers to the process or the state of being covered with dew. Some antonyms for this word could include "dry," "arid," "desiccated" or "parched." These words imply a lack of moisture or precipitation, which is the opposite of the dew-covered state. Another set of antonyms for be dew could be "warm," "heated," "dry-eyed" or "stale," all of which suggest a state devoid of moisture and added comfort. Regardless of the context, antonyms for "be dew" find their meaning in the opposite of moisture and its effects on the environment.