Cases of word usage

1) to give up a throne, a high office, control or responsibility (abdicate)

2) go up to a person and speak to her or him first, especially a stranger in a public place (accost)

3) a person growing up (aged about 12 to 18) (adolescent)

4) high up in the air (especially at the top of a ship) (aloft)

5) to go or come up (a mountain etc) (ascend)

6) an act of going or coming up (ascent)

7) wake up (awaken)

8) made up of many small, disorganized parts (bitty)

9) blow something up (blow-up)

10) (to make) a quick movement up and down (bob)