Meaning : Complete and without restriction or qualification. Sometimes used informally as intensifiers.
Example :
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, downright, rank, right-down, sheer