| Word | Definitions | Synonyms |
|---|---|---|
| antiparallel | (adjective) (especially of vectors) parallel but oppositely directed | - |
| nonparallel | (adjective) of or relating to the sequential performance of multiple operations | Synonyms: in series, serial |
| (adjective) (of e.g. lines or paths) not parallel; converging | - | |
| parallel | (adjective) being everywhere equidistant and not intersecting | - |
| (adjective) of or relating to the simultaneous performance of multiple operations | - | |
| unparallel | (adjective) not straight or parallel | - |