[adjective] [before noun], [adverb] [not gradable] [informal] - (esp. of something bad) extremely or very greatShe's being downright difficult and obstructive.I think the way she's been treated is a downright disgrace.These working conditions are unhealthy, if not downright (= and probably extremely) dangerous.
DOWNRIGHT
Meaning of DOWNRIGHT in English
Cambridge English vocab. Кембриджский английский словарь. 2012