| AR | (of persons) highest in rank or authority or office |
|---|---|
| AR | expert in skulduggery |
| AR | (used of behavior or attitude) characteristic of those who treat others with condescension |
| AR | form an arch over |
| AR | a support for the arch of the foot |
| AR | (geology) used of the earliest known rocks |
| AR | considered ancient life forms that evolved separately from bacteria and blue-green algae |
| AR | considered ancient life forms that evolved separately from bacteria and blue-green algae |
| AR | considered ancient life forms that evolved separately from bacteria and blue-green algae |
| AR | related to or dealing with or devoted to archaeology |
| AR | related to or dealing with or devoted to archaeology |
| AR | an anthropologist who studies prehistoric people and their culture |