Ho hum and Wishy-washy

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

Wishy-washy adjective - Lacking in qualities that make for spirit and character.

Ho hum and wishy-washy are semantically related. Sometimes you can use "Ho hum" instead an adjective phrase "Wishy-washy".