a bad write-up

a Determinative

— A is used when the following word could be any of a certain type. Compare "A book I saw on the shelf" and "The book I gave you yesterday".

a Noun

— A is the first letter of the alphabet. The letter "a" comes before "b". — In some schools, an A is a very high grade. Ron got an A on his earth science test.

bad Adjective

— If something is bad, it is not good. The man who killed his wife was very bad. Skipping school is a bad thing to do. Debts can go bad when a debtor has gone bankrupt. Could things get any worse than this? This is the worst time I've had all year!

write Verb

— If you write a book, an article, a computer program, a piece of music, etc., you create it. My dream is to write a children's book. Mozart wrote over 600 pieces of music during his lifetime. He can't write. He's a terrible writer. In the article, the author writes that these things need to change. — If you write, you use letters, numbers, or other marks on paper or on a computer to show words. Can you write your name and phone number here for me? Our teacher taught us to write beautifully. It's amazing how many people can't read and write. Do you have any paper to write on? Listen to what I say and write it down. — If you write, you send a letter to someone. Please, phone or write me when you have some time. She would write to Mom every week and give her all the details. — (computer) If a computer writes, it records something in its memory or on a disk. Old computers were much slower at writing files.

up Preposition

— Toward the top or toward the sky. The balloon went up.

up Adjective

— In a high position. The flag is up. — . It was an up day. — optimistic. He is feeling up. — Put in trust, entrusted. It is up to you. — ing, occurring. What’s up? They act like something is up. — . Something is up with him. — Planning, plotting mischief. He is up to something. — ed. It is all up with them.

up Noun

— State of being up, often with down. Life has its ups and downs.

up Verb

— Increase, increment. We upped the dosage.