Desultory

Coming from a word, in the 1500's, refering to a rider who jumps from one horse to another, 'desultory' is used to describe something random, fitful, and lacking consistency or order. Also, disconnected. It can refer to conversation, as in straying from the main subject.

Brio

Live with brio! This means with vigor, energy, vivacity. Put some 'umph' into your regular old day-to-day activities, some italian-sounding flourish!

Sere

This is an adjective meaning 'dry' or 'withered.' Usually it is used in reference to grass or vegetation that has dried up, and the month of August used to be referred to as "sere month." It is related to the word sear, as in searing hot.

Limn

Pronounced "lim," this word means to draw, paint, or describe in writing. It is related to the word "illuminate," as it is a way of portraying and/or depicting various things.