1. contentious (adj.): argumentative
affidavit (n.): a written statement made under oath before an authorized officer
deposition (n): testimony under oath that is admissible in court
undermine (v.) : to weaken by wearing away gradually
imperceptible (adj.) : insignificantly small or slight

2. plaintiff (n.): the person or party instituting a lawsuit
forfeit (n.): something surrendered as punishment for a crime
reproach (v.): to express disapproval
immaculate (adj.): free from fault or error
qualm (n.): a sudden feeling of sickness or nausea

3. unperturbed (adj.): undisturbed; calm
abrogate (v.): to abolish or annul
prodigious (adj.): great in size, force, or power
probity (n.): integrity or honesty