| A | B |
| contingent | adj. conditional; dependent on things, n. a representative group forming part of a larger group |
| eventuality | something that may occur; a possibility |
| implausible | difficult to believe; not likely or credible |
| inconceivable | impossible to comprehend or fully grasp; so unlikely as to be thought impossible; unimaginable |
| in vain | without success; completely ineffective |
| perchance | perhaps; possibly |
| preposterous | absurd; contrary to nature, reason, or common sense |
| proclivity | a natural inclination; a tendency |
| prone | having a tendency; inclined; likely to do or have something |
| theoretical | restricted to ideas; abstact or unproven |