Pride And Prejudice· Chapter 4· Volume 2

diversify: to start to include more different types or things

eg. With no greater events than these in the Longbourn family, and otherwise diversified by little beyond the walks to Meryton, sometimes dirty and sometimes cold, did January and February pass away.

adieu: (literary or old use) goodbye

rattle: a sound similar to a series of quickly repeated knocks

eg. Sir William Lucas, and his daughter Maria, a good-humoured girl, but as empty-headed as himself, had nothing to say that could be worth hearing, and were listened to with about as much delight as the rattle of the chaise.

avarice: an extremely strong wish to get or keep money or possessions.

eg. Where does discretion end, and avarice begin?

mercenary: interested only in the amount of money that you can get from a situation

eg. I should be sorry to think our friend mercenary.

That speech savours strongly of disappointment.

savour: In the sentence provided, "savour" means to have a noticeable or distinct quality or flavor of disappointment. In this context, it suggests that the speech strongly conveys or carries a sense of disappointment. It implies that the content, tone, or overall impression of the speech leaves a lingering feeling of disappointment                  

spleen: a feeling of anger and disappointment

eg. Adieu to disappointment and spleen.

jumble: an untidy and confused mixture of things, feelings, or ideas

eg. Lakes, mountains, and rivers, shall not e jumbled together in our imaginations.