Wishy-washy and Yellow-bellied

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

Yellow-bellied and wishy-washy are semantically related In some cases you can use "Yellow-bellied" instead an adjective phrase "Wishy-washy".

Yellow-bellied adjective - Easily frightened.

Wishy-washy and yellow-bellied are semantically related in indecisive topic. Sometimes you can use "Wishy-washy" instead an adjective phrase "Yellow-bellied".