An idea or opinion formed by guessing 

The act of making something complete or perfect

A way of looking and behaving that reveals one's character or emotions

Public embarrassment, disgrace

Determined, never giving up

Continuing without any possibility of being stopped

Secret, clever, and often unfair methods used to achieve something

Having a calm appearance or characteristics

To overcome

Respected because of age or experience

In an extreme, harmful manner that shows no care for others

William and his cousin John had a combative relationship. William was always more assertive than John, causing John to regularly give in to William's wishes.

Marie and her team formed several theories about why the seedlings were dying, but they wouldn't know for sure until they were able to collect more evidence.

The country's president ran on a campaign of honesty and integrity; however, early in her administration it was revealed that she had accepted bribes from several companies, damaging her reputation.

An accomplished sculptor, Michael worked on his current project day and night for years; when it was finished, audiences marveled at its unprecedented beauty.

Dr. Jones made an excellent pediatrician; despite the tears and chaos that were common in their job, they never lost their patience or temper, and always spoke in a soothing manner to their patients.

Invasive red lantern flies, originally from Japan and South Korea, have increased their population rapidly in the American Northeast, devastating forests as they consume native trees and devour local plant life.

Abraham Lincoln was known for many things, among them his calm, composed appearance, which remained constant even through the difficulties and challenges of the Civil War. 

People often suspect politicians of being two-faced: some talk about honesty and transparency until their secretive backroom deals are exposed as corrupt.

She was an impassioned civil rights leader; despite threats and arrests, she continued her fight for social justice, unfettered by the hardships in her path.

The vast majority of scientists around the world agree that, without dramatic and immediate action, the planet will continue to grow warmer every year.

During times of family, the younger members of the family would often seek out their grandfather's advice, knowing he had wisdom to share from his many experiences.

In a tragic accident, the Olympic sprinter lost both of his legs. However, after years of rehabilitation, training, and adjusting to prosthetics, she was able to race again.