| A | B |
|---|
| Showing great perception, understanding, or knowledge | profound |
| To question somebody thoroughly, often in an aggressive or threatening manner and especially as part of a formal investigation | interrogate |
| To be the chairperson or hold a similar position of authority at a formal gathering of people | presided |
| An insolent smile expressing feelings, such as superiority, self-satisfaction, or conceit | smirking |
| A poisonous fluid produced by an animal and injected by a bite or sting in order to immobilize prey or defend itself | venom |
| A mischievous trick or small stunt done for amusement | prank |
| Extremely unhappy and discouraged | despondently |
| Not clear in meaning or intention | vaguely |
| Loss of memory as a result of shock, injury, pshychological disturbance, or medical disorder | amnesia |
| To provide evidence of somebody's guilt or make somebody appear guilty of a crime or mistake | incriminating |
| That will not work effectively or be without problems when put into practice | impractical |
