Maverick refers to a person who refuses to follow the customs or rules of a group; in other words, a nonconformist.

// Ayo has always been a bit of a maverick in the fashion world, inventing new trends rather than following them.

Stalwart is a formal word used to describe someone or something that is very loyal and dedicated or that is physically or mentally strong.

// He was a stalwart civil rights supporter throughout his political career.

// The football team's stalwart defense only gave up a single field goal in the second half.

Dog days is a plural noun that refers to the hottest time of the year, which in the northern hemisphere is usually between early July and early September. Dog days can also refer to a period of stagnation or inactivity suggestive of hot, sultry weather when it can be difficult to summon the energy required for hard work.

// Spending the day at a swimming hole has always been the perfect relief for the dog days of summer.

Raffish describes people and things that show a careless but usually attractive unconventionality.

// She didn't expect to like him but his raffish charm quickly won her over.

(soccer) a center forward who drops into midfield to draw defenders out of position

Obdurate is a formal word that means "resistant to persuasion." It is usually used to describe someone who is not willing to change their methods or opinions, or something that is not easily altered.

// Though obdurate problems loom, the organization under its new leadership is poised to make real and effective changes.

A bibelot is a small household ornament or decorative object.

// His grandfather set up a table every week at the flea market where he sold all sorts of bibelots and bric-a-brac, from ceramic figurines to tiny blown glass sculptures.

Loquacious means “liking to talk and talking smoothly and easily.

” Someone described as loquacious might also be called wordy (prone to using more words than necessary) or garrulous (tending to talk a lot).

// We were entertained all afternoon by our host’s loquacious parrot and its nonstop script of favored phrases.

The verb yaw when used for the action of a ship, aircraft, spacecraft, or projectile means "to move to the left or right especially in an uncontrolled manner." More broadly, yaw is used as a synonym of alternate to mean "to change from one to another repeatedly."

 // The rogue wave hit the vessel, and the ship yawed hard to the right.

// The album yaws from soulful ballad to up-tempo pop hit and back again.

Someone or something described as implacable is not capable of being appeased or changed.

// The project faced implacable resistance from community members, and is now off the table.