| Word | Definitions | Synonyms |
|---|---|---|
| anoxemic | (adjective) relating to or marked by abnormally little oxygen in arterial blood | - |
| anoxic | (adjective) relating to or marked by a severe deficiency of oxygen in tissues or organs | - |
| innoxious | (adjective) having no adverse effect | - |
| noxious | (adjective) injurious to physical or mental health | - |
| obnoxious | (adjective) causing disapproval or protest | Synonyms: objectionable |
| unoxygenated | (adjective) (used of blood) not supplied with oxygen | Synonyms: unaerated |