| A | B | 
| Ridiculously unreasonable | Absurd | 
| Shameless daring or boldness | Audacity | 
| a crack | Crevice | 
| A theory used as a basis for research | Hypothesis | 
| offensively bold and disrespectful | Impudent | 
| To weaken or damage | Impair | 
| to continue stubbornly | Persist | 
| to be spread or to be present throughout | Pervade | 
| having a constant relation in degree or number | Proportional | 
| a suggested plan | Proposition | 
| a price or a payment demanded in return for the release of property or a person | Ransom | 
| a return to a less developed condition | Regression | 
| a mean, nagging women | Shrew | 
| a focus on a particular activity or area of study | Specialization | 
| Able to be seen or touched | Tangible |