In plain terms; without ceremony.

Plain; direct; forthright; unceremonious; blunt; positive; as, he spoke in his downright way.

characterized by plain blunt honesty; "a downright answer"; "a downright kind of person"

Open; artless; undisguised; absolute; unmixed; as, downright atheism.

complete and without restriction or qualification; sometimes used informally as intensifiers; "absolute freedom"; "an absolute dimwit"; "a downright lie"; "out-and-out mayhem"; "an out-and-out lie"; "a rank outsider"; "many right-down vices"; "got the job through sheer persistence"; "sheer stupidity"

thoroughgoing; "he is outright dishonest"

Straight down; perpendicularly.

Without delay; at once; completely.