| vile(adjective, bad, nasty, dirty, foul) |
| vintage(adjective, tired, odd, out, old) |
| whiffy(adjective, strong, offensive, sweet, rank) |
| worn-out(adjective, dull, set, hard, flat) |
| acerb(adjective, sharp, unpleasant, bitter, sour) |
| acetic(adjective, sharp, unpleasant, bitter, sour) |
| acetose(adjective, sharp, unpleasant, bitter, sour) |
| acetous(adjective, sharp, unpleasant, bitter, sour) |
| acid(adjective, sharp, unpleasant, bitter, sour) |
| acidic(adjective, sharp, unpleasant, bitter, sour) |
| acidulated(adjective, sharp, unpleasant, bitter, sour) |
| acrid(adjective, sharp, unpleasant, bitter, sour) |
| aromatic(adjective, strong, offensive, sweet, foul) |
| astringent(adjective, sharp, unpleasant, bitter, sour) |
| auld |
| back-number |
| back number |
| bacteria |
| bad-smelling |
| balmy(adjective, strong, offensive, sweet, foul) |