What is the meaning of downright?

adjective

• Characterized by plain blunt honesty.
  • usage: "a downright answer"; "a downright kind of person"
• Complete and without restriction or qualification; sometimes used informally as intensifiers.
  • usage: "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"
  • synonyms: absolute, out-and-out, rank, right-down, sheer

adverb

• Thoroughgoing.
  • usage: "he is outright dishonest"