What word can go before day, knife and trip?

I am flat, I am sharp, but I cannot hurt you. What am I?

Latest riddles:

Riddle: What's red and smells like blue paint?

What’s red and smells like blue paint?

Riddle: He got it in the woods and brought it home in his hand because he couldn't find it riddle

He got it in the woods and brought it home in his hand because he couldn’t find it. The more he looked for it the more he felt it. When he finally found it he threw it away. What is it?

Riddle: What word can go before filler, work and worm?

What word can go before filler, work and worm?

Riddle: What one word can mean 'loaded' or 'empty' or 'even'?

What one word can mean ‘loaded’ or ’empty’ or ‘even’?

Riddle: A man added 3 more sheep to those already in his barn ...

A man added 3 more sheep to those already in his barn. He then had 7 times as many sheep as he would have had if he had sold 3 instead of buying 3. How many sheep did he have in the beginning?

Riddle: What can you drive that has wheels and also flies?

What can you drive that has wheels and also flies?