| Word | Definitions | Synonyms |
|---|---|---|
| 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 |