Backbone and Passiveness

Backbone noun - A column of bones supporting the trunk of a vertebrate animal.

Passiveness and backbone are semantically related. In some cases you can use "Passiveness" instead a noun "Backbone".

Nearby Word: backboned

Passiveness noun - The trait of remaining inactive; a lack of initiative.

Backbone and passiveness are semantically related. Sometimes you can use "Backbone" instead a noun "Passiveness".