Sextant - a doubly reflecting navigation instrument that measures the angular distance between two visible objects 

Unassailable - impossible to attack

"the castle was so well fortified that it was unassailable"

Venial - denoting a sin that is not regarded as depriving the soul of divine grace.

Wallop - strike or hit (someone or something) very hard.

"they walloped the back of his head with a stick"

Yare - (of a ship) responding promptly to the helm; easily manageable

Zealous -  filled with or showing a strong and energetic desire to get something done or see something succeed; marked by passionate support for a person, cause, or ideal

Addle - ad·dle
/ˈadl/  make unable to think clearly; confuse.

Bronchitis - inflammation of the lining of your bronchial tubes, which carry air to and from your lungs

CACOLOGY

Cacology literally means “evil-speaking,” and is used to refer to a poor choice of words or noticeably bad language. 

Likewise, a caconym is an ill-fitting or unpleasant name; a cachotechny is a poorly constructed device or work of art; and a cacotype is either a printing error, or a libelously insulting printed description or account.

I love Kindle for this. No more are the days of having to look shit up. Reading a book and see a word you don't know... touch it and there is the def. You see the same word a few times and it will start embedding itself into your brain. Attempt to use a word.

Defenestrate:  Remove a person from a position of higher authority

Gamomania - obsession with issuing odd marriage proposals

Juliette Balcony Providing a 'guard' or security barrier to sliding doors or inward opening full-height French Doors on a first-floor room or above, a Juliet balcony lets in more natural light, and fresh air when the doors are open 

Kawaii - the quality of being cute, or items that are cute.