Downright and Whatsoever

Downright adjective - Being or characterized by direct, brief, and potentially rude speech or manner.

Whatsoever and downright are semantically related in utterly topic. In some cases you can use "Whatsoever" instead an adverb "Downright".

Whatsoever adjective - One or some or every or all without specification.

Downright and whatsoever are semantically related in utterly topic. Sometimes you can use "Downright" instead an adverb "Whatsoever".