excellency, grade, superbness, class
Excellence is another word that can be used to mean quality in the work force. You can also use the words attribute to describe someone provides good service in a company.
spot
male model
Here are 4 words to get you started: unready, unripened, green, or immature
Not achieving standard quality
Opposite numbers are another words for negative numbers.-4 is opposite of +45,6,7,8,9, and so on
QB is another way to say quarterback so I'm guessing it is quarterback-ness or in other words the quality of a person being a quarterback.
other words for quality are high standards
Speaking, orating, discoursing, speechifying (the last example is colloquial, and implies that the quality of the speech is poor).
The age depends on quality of food, so varies from one area to another, but generally is from 4-8 years of age.
Be the best for quality.
adjectives that describe words