| Word | Definitions | Synonyms |
|---|---|---|
| quarantined | (adjective) under forced isolation especially for health reasons | Synonyms: isolated |
| quarrelsome | (adjective) given to quarreling | - |
| quartan | (adjective) occurring every fourth day (especially the fever and weakness of malaria) | - |
| quarterly | (adjective) of or relating to or consisting of a quarter | - |
| quartzose | (adjective) relating to or made of quartz | - |