Barbarous x civilized
Bare x noble
Barren x fertile
Belief x disbelief, doubt
Body x soul
Bravery x cowardice
Beauty x ugliness
Bottom x top
Barbarism x civilization
Boon x bane
Brutality x humanity
Bliss x misery
Beginning x end
Begin x end
Buy x sell
Beautify x disfigure
Borrow x lend
Bless x curse
Bitter x sweet
Bold x timid, cowardly
Broad x narrow
Benevolent x malevolent
Brutal x humane, kind
Blustering x gentle, humble
Beautiful x ugly
Blunt x sharp
Bright x dull
Benediction x malediction
Beneficial x injurious
Boisterous x quiet, calm
Brave x cowardly
Big x small
Biased x objective
