1. Vocabulary 1.1 Action and Reaction

2. Irrevocable  Adjective  Not able to be changed, reversed, or recovered; final.

3. Apprehension  Noun  Anxiety or fear that something bad or unpleasant will happen.

4. Beckoning  Verb  Attract the attention of or summon someone by making a gesture with the hand, arm, or head.

5. Sidle  Verb  Walk in a timid manner, especially sideways.

6. Furtive  Adjective  Secretive; attempting to avoid notice or attention.

7. Wanton  Adjective  Excessive, uncontrolled, sometimes cruel.

8. Fervent  Adjective  Having or displaying a passionate intensity.

9. Precocious  Adjective  Having developed certain ability or proclivities at an earlier age than usual.

10. Infinitesimal  Adjective  Extremely small.

11. Emaciated  Adjective  Abnormally thin or weak, especially because of illness or lack of food.