Insane; lunatic; demented.
'crazy' is a correct and usable word in written English. It can be used to describe someone or something that is either intense, strange, or wild. For example, "The sound of the thunder was so crazy that we all ran inside!".
"It's crazy," he said.
"It was just crazy.
It drives me crazy".
"It sounds crazy.
"It was a crazy time.
"Are you crazy?
My sister and I both liked shoes before we started the business but I would never have said we were shoe crazy.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia