1. Lesson 23
Audible, Bewilderment, Define, Detach, Intrepid, Pulsation, Stupefaction, Undulate, Vibration, Wan

2. audible
Capable of being heard; detectable by ear

3. bewilderment
State of confusion or disorientation

4. define
To outline; to explain or describe; to distinguish

5. detach
To separate from; to remove

6. intrepid
Courageous; brave; fearless

7. pulsation
Rhythmic throbbing; vibration

8. stupefaction
Astonishment; amazement

9. undulate
To move in a heaving fashion, as in the manner of waves

10. vibration
Trembling motion

11. wan
Pale or sickly; pallid