| rampant | Spreading unchecked; unrestrained | |
| ramification | A consequence of an action or event, especially when complex or unwelcome | |
| raiment | Clothing, garments | |
| ragamuffin | A person, typically a child, in ragged, dirty clothes | |
| raconteur | a person who tells anecdotes in a skillful and amusing way | |
| quotidian | Of or occurring every day; daily | |
| quixotic | Exceedingly idealistic; unrealistic and impractical | |
| quintessential | Representing the most perfect or typical example of a quality or class | |
| quiescent | In a state or period of inactivity or dormancy | |
| querulous | Complaining in a petulant or whining manner | |