: not combined with anything else : totally free from every little thing that might make filthy, alter, or reduce the quality pure - without having qualification; used informally as (generally pejorative) intensifiers; "an arrant idiot"; "a complete coward"; "a consummate fool"; "a double-dyed villain"; "gross negligence"; "an ideal idiot"; https://pure-biofuel21975.link4blogs.com/59237410/everything-about-biofuel-research-journal