Ho hum and Sapless

Sapless and ho hum are semantically related in dull topic. In some cases you can use "Sapless" instead an adjective phrase "Ho hum", when it comes to topics like tasteless.

Sapless adjective - Destitute of sap and other vital juices; dry.

Ho hum and sapless are semantically related in dull topic. Sometimes you can use "Ho hum" instead an adjective "Sapless", if it concerns topics such as tasteless.