| Word | Definitions | Synonyms |
|---|---|---|
| bisectional | (adjective) of or relating to bisection | - |
| biserrate | (adjective) having saw-like notches with the notches themselves similarly notched | - |
| bisexual | (adjective) sexually attracted to both sexes | - |
| (adjective) having an ambiguous sexual identity | Synonyms: epicene |