That wasn't bad at all.

that Determiner

— Used to show which thing we are talking about; used with things that are not close to the speaker. Give me that book, not this one. Give me that, not this. That dog is hungry.

that Subordinator

— used to link a subordinate clause to a main one You said that you liked me. Give me the book that I dropped.

wasn't Verb

— A shorter way to say "was not". He wasn't home. He was at the store. It wasn't boring, it was fun.

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!

at Preposition

— Used to describe where something is, or when saying something's position I am at home. Let's meet at the pub! — The time at which something happened or will happen Breakfast is at 9 o'clock. At 5pm we went home. — Indicating something's state At half price! Water boils at high temperatures.

at Symbol

— The @ symbol, used to replace at support@microsoft.com is an email address. Apples @ £1.50 per kilogram.

all Determinative

— All of something is 100% of it, or the entire amount. Well you could stay in bed all day on Friday. And I could take the kids to school. You know, you can't see all of the moon. "There was a problem." "Yes, I know all about it." No! You did it all wrong. Can you tell me all this tomorrow? I think we all know we have to change. The shirt is almost all white. Is that all you can do? — All of some things is 100% of them, or every one. And then you can go and tell all your friends about it. We have over two hundred men, but not all of them had the problem.

all Noun

— If you give your all, you give 100% of your energy, attention, etc.