Answer:
neglected by another
AND
to fall into decay
Explanation:
Thriftless implies when a person is spending money in a way regarded as wasteful or extravagant. From the passage, thriftless as used signifies a heir who spends money built by his father recklessly, hence the words from the text that helps to indicate the meaning of the word as used in the passage will be "neglected by another" and "to fall into decay". These shows thriftless and a nonchalant attitude towards money being spent or already spent.
The answer would be viewpoint also, point of view, how people perceive things<span />
Cassius wanted to delay killing Caesar due to the warnings some soothsayers have given to Caesar.He does not know whether Caesar will come to the Capitol or not because of those warnings.He thinks Caesar is too superstitious and might well want to stay at home the day the conspirators have arranged to stab him.
THis an example of irony because juliet does not know that Romeo is actually there, Hiding.