Ongoing and Stiff-necked

Ongoing adjective - Being in progress or development.

Stiff-necked and ongoing are semantically related. In some cases you can use "Stiff-necked" instead an adjective "Ongoing".

Stiff-necked adjective - Having a feeling of superiority that shows itself in an overbearing attitude.

Ongoing and stiff-necked are semantically related. Sometimes you can use "Ongoing" instead an adjective phrase "Stiff-necked".