| A | B |
| development | the act or process of unfolding or revealing gradually |
| information | facts or data about a certain event or subject |
| preparation | the act or process of preparing |
| improvement | a change or addition that improves something |
| invention | something invented, as a device, system, or process that did not exist before |
| advancement | a forward step, improvement |
| accidentally | happening by mistake or without thinking |
| unkindness | not kind; harsh; thoughtless |
| concentration | the act of fixing one's mind on something |
| unskillful | not skillful; clumsy; incompetent |
| respectful | showing proper respect; honor, or esteem |
| prevention | the act or an example of keeping something from happening |
| regardless | heedless; unmindful |
| repetition | the act or process of saying or doing something again |
| disgraceful | worthy of or causing shame, dishonor, or disfavor |
| unbelievable | not to be believed; incredible; unconvincing |
| disagreement | a dispute or quarrel caused by a difference in opinion |
| imprisonment | to enclose or confine |
| encouragement | the act of giving hope or confidence to |
| intermission | an interruption or recess, as between the acts of a play |
| enjoyment | pleasure, joy |
| delightful | giving joy, very pleasing |
| reaction | an action, feeling, or attitude aroused by something; response |
| comfortable | giving a feeling of ease or well-being |
| conviction | a strong belief or opinion |
| precision | the condition or quality of being precise |
| reputation | the general esteem in which a person is held by others or by the general public |
| distinction | the condition or fact of being different |
| intolerable | not capable of being endured; unbearable |
| inevitable | not capable of being avoided |