A lair is a <span>hideout,
a scabbard is a </span><span>sheath for a sword,
a hilt is a handle of a sword,
a complacent person is someone who is not eager to please,
while a covetous person is someone who is eager to obtain or posses,
All of these can be found in dictionaries, and you made a typo by writing liar instead of a lair.
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Figurative language in this section helps convey the grief of the Capulets by making their lamenting more personal and poetic. Specifically, using personification to represent death as a person helps the reader really feel like Juliet has been actively taken away from them rather than her just having died. For example, when Capulet says "Death, that hath ta'en her hence to make me wail, / Ties up my tongue, and will not let me speak." This is making Death the active enemy, giving them someone to blame. This section also uses a lot of simile, including when Capulet says "Death lies on her like an untimely frost / Upon the sweetest flower of all the field." This makes her death feel peaceful, looking at Juliet as a sweet flower with just a hint of frost over her. Finally, Capulet also uses anaphora to reinforce the personification of Death and the poetry of Juliet's passing. He says "<span>Death is my son-in-law, Death is my heir;", repeating Death at the beginning of each phrase.</span>
Very is an adverb because it modifies the nice to VERY nice.
