Conscientious describes someone who is concerned with doing things correctly. It can be used as a synonym for both meticulous and careful.

// She has always been a conscientious worker committed to painstaking research.

Gumption refers to courage and confidence.

// It took a lot of gumption to speak up for yourself like that.

Kith is an old-fashioned term that refers to familiar friends, neighbors, or relatives. It is often used in the phrase “kith and kin,” which means “friends and relatives.”

// Spending time with kith and kin at the end of the summer is the highlight of our year.

Southpaw is an informal word for someone who is left-handed. It is especially used for a left-handed baseball pitcher or boxer.

// The team’s new pitcher is a southpaw with a wicked knuckleball.

To devolve is to gradually go from an advanced state to a less advanced state, or to pass something, such as responsibility or power, from one person or group to another at a lower level of authority.

// Somehow the debate devolved into a petty competition to see who could get more applause.

// Community leaders hope that the new government will devolve more power to the community itself.

Expeditious is a formal word that is used to describe someone acting in a quick and efficient way, or something done in such a manner.

// Both sides hoped for an expeditious resolution of the dispute.

Rigmarole refers to a long, complicated, and annoying process, description, etc.

// We went through the rigmarole of installing, registering, and activating the software before we found out it wouldn’t work.

To divulge something, especially secret or private information, is to make it known.

// Rather than divulge the baby name we’ve chosen, we’re waiting till the little one arrives to make introductions.