| Word | Definitions | Synonyms |
|---|---|---|
| zero | (adjective) of or relating to the null set (a set with no members) | - |
| (adjective) indicating the absence of any or all units under consideration | Synonyms: 0 | |
| (adjective) having no measurable or otherwise determinable value | - | |
| (adjective) indicating an initial point or origin | - | |
| zeroth | (adjective) preceding even the first | - |