Definitions
1.adjectiveDirected vertically; coming straight down.
2.adjectiveDirectly to the point; plain
3.adjectiveUsing plain direct language; accustomed to express opinions directly and bluntly; blunt.
4.adjectiveComplete; absolute
5.adverbReally; actually; quite"He wasn’t just cool to me, he was downright rude."
6.adverbStraight down; perpendicularly.
7.adverbPlainly, unambiguously; directly.
8.adverbWithout delay; at once.