Look at the surrounding context.
For example
Jeremy was so ecstatic that he had made friends, that he began jumping up and down.
To figure out the meaning of ecstatic, you would think about the clues: 'made friends' and 'jumping up and down'. These both lead you to the idea of being very happy or excited. The actual definition is feeling or expressing overwhelming happiness or joyful excitement...
Can we get lines 16-19? Ima need to read it first
It means that everything that looks promising or precious is not necessarily so.
