Spineless and Unmanly

Spineless adjective - Having or showing a shameful lack of courage.

Unmanly and spineless are semantically related in cowardly topic. In some cases you can use "Unmanly" instead an adjective "Spineless".

Unmanly adjective - Of or relating to a man who has or displays qualities considered more suitable for women.

Spineless and unmanly are semantically related in weak topic. Sometimes you can use "Spineless" instead an adjective "Unmanly".