| Word | Definitions | Synonyms |
|---|---|---|
| bilabial | (adjective) of or relating to or being a speech sound that is articulated using both lips | - |
| bilabiate | (adjective) having two lips | Synonyms: two-lipped |
| bilateral | (adjective) having two sides or parts | Synonyms: two-sided |
| (adjective) affecting or undertaken by two parties | - | |
| (adjective) having identical parts on each side of an axis | Synonyms: bilaterally symmetric, bilaterally symmetrical, isobilateral |