If you've done something so much that it doesn't excite you anymore but just leaves you tired, consider yourself jaded.

Apperception is how your mind puts new information in context. 

A barrack is a building where military personnel live.

Opulent is a word that you will hear a lot around rich people looking to show off. 

Concomitant means accompanying. 

Cunning means clever, in the sense of trickery. 

Use serenity to mean the quality or state of being calm and peaceful.

Comport means to behave, and particularly to behave well. 

An aptitude is something you're good at. 

Sophistry is tricking someone by making a seemingly clever argument

If you have a cushy job — one that pays, but involves minimal work — then you have a sinecure.

When you prevaricate, you lie or mislead.

Fortitude refers to strength in the face of adversity or difficulty.

If you're trenchant, it means you think or say smart, sharply worded things that cut right to the heart of the matter.

When you're dumbfounded, you're amazed.

To eradicate something is to get rid of it, to destroy it, and to kiss it goodbye.

Anything votive has been dedicated or consecrated as part of the fulfillment of a vow.

If you're apprehensive, you're anxious or fearful.

To preach is to deliver a sermon or an otherwise powerful message.

Chauvinism means the belief that your country is superior to all others.