1. the quality or state of having a strong, foul, or offensive smell

Examples

• The fetidness of the swamp made it difficult to explore.
• The garbage dump's fetidness could be detected from blocks away.
• No amount of air freshener could mask the fetidness in the old basement.
• The fetidness of the decaying fish warned us to stay away from the shore.
• Workers wore masks to protect themselves from the fetidness of the industrial waste.