| Blood donation quantity | 23 |
| Blood drive contributor | 23 |
| Blood drive participant | 23 |
| Blood feud participant | 22 |
| Blood flow facilitator | 22 |
| Blood of the gods, in myth | 26 |
| Blood of the Greek gods | 23 |
| Blood or draft follower | 23 |
| Blood pressure elevator | 23 |
| Blood pressure readings | 23 |
| Blood relation, briefly | 23 |
| Blood relative, briefly | 23 |
| Blood sample container | 22 |
| Blood sausage ingredient | 24 |
| Blood shed on Mount Olympus | 27 |
| Blood state: Comb. form | 23 |
| Blood sucking parasite | 22 |
| Blood transfusion system | 24 |
| Blood type determinant | 22 |
| Blood type, informally | 22 |
| Blood vessel imaging machine | 28 |
| Blood vessel obstruction | 24 |
| Blood vessel: Comb. form | 24 |
| Blood's counterpart | 23 |
| Blood's starting place | 26 |
| Blood, sweat and tears | 22 |
| Blood-cell deficiencies | 23 |
| Blood-classification syst. | 26 |
| Blood-derived medicine | 22 |
| Blood-drive contributor | 23 |
| Blood-drive participant | 23 |
| Blood-pressure readings | 23 |
| Blood-sample study, e.g. | 24 |
| Blood-sucking African fly | 25 |
| Bloodhound's activity | 25 |
| Bloodhound's asset | 22 |
| Bloodhound's clues | 22 |
| Bloodhound's come-on | 24 |
| Bloodhound's following | 26 |
| Bloodhound's forte | 22 |
| Bloodhound's guide | 22 |
| Bloodhound's guides | 23 |
| Bloodhound's pride | 22 |
| Bloodhound's quarry | 23 |
| Bloodhound's quest | 22 |
| Bloodhound's sense | 22 |
| Bloodhound's sensor | 23 |
| Bloodhound's skill | 22 |
| Bloodhound's track | 22 |
| Bloodhound's trail | 22 |
| Bloodhounds follow them | 23 |
| Bloodhounds have big ones | 25 |
| Bloodhounds' clues | 22 |
| Bloodletter's need | 22 |
| Bloodletting practitioner | 25 |
| Bloodsuckers, colloquially | 26 |
| Bloodsucking annoyance | 22 |
| Bloodsucking hemipterons | 24 |
| Bloody at the steakhouse | 24 |
| Bloody battleground for Lee | 27 |
| Bloody Civil War battleground | 29 |
| Bloody Elizabethan drama | 24 |
| Bloody Mary alternative | 23 |
| Bloody Mary alternatives | 24 |
| Bloody Mary maker, at times? | 28 |
| Bloody Mary's daughter | 26 |
| Bloody Mary's spirit? | 25 |
| Bloody Sunday march site | 24 |
| Bloom in full-length features | 29 |
| Bloom of "Charly" | 27 |
| Bloom that bloomed in London | 28 |
| Bloom that may be bearded | 25 |
| Bloom with droopy sepals | 24 |
| Bloomberg's bailiwick | 25 |
| Bloomberg's domain: Abbr. | 29 |
| Bloomer of bloomers fame | 24 |
| Bloomers around the neck | 24 |
| Bloomers around the neck? | 25 |
| Bloomers worn around the neck | 29 |
| Bloomers you put on headfirst | 29 |
| Blooming seasons, in short | 26 |
| Bloomingdale's rival | 24 |
| Bloomingdale's section | 26 |
| Blooms in a Whitman poem | 24 |
| Blooms in the Netherlands | 25 |
| Blooms named for their scent | 28 |
| Blooms seen at the Masters | 26 |
| Bloomsbury group member | 23 |
| Bloomsbury group writer | 23 |
| Bloomsday, e.g.: Abbr. | 22 |
| Blossom of the silents | 22 |
| Blot on one's escutcheon | 28 |
| Blot on one's reputation | 28 |
| Blotch caused by a leaky pen | 28 |
| Blotch on one's record | 26 |
| Blots on the cityscape | 22 |
| Blotter paper substance | 23 |
| Blotting paper application | 26 |
| Blotto or stinko, e.g. | 22 |
| Blouse accompanier, often | 25 |