think up (something)

to invent something.

She used to think up funny things just to make him laugh.

Sitting in the school yard, I thought up a scheme to get the older boys on my side.

They had to do something fast, and they were smart to actually think that up.

Related vocabulary: dream up something

• not in the business of doing something
• not in the least
• not in the same league
• not in the slightest
• not judge a book by its cover
• not know beans about
• not know beans about something
• not know from Adam
• not know if are coming or going
• not know if you are coming or going
• not know someone from Adam
• not know the first thing about
• not know the first thing about something
• not know the half of it
• not know the meaning of the word
• not know what hit
• not know what hit you
• not know where to put
• not know where to put yourself
• not know where to turn
• not know whether are coming or going
• not know whether to laugh or cry
• not know whether you are coming or going
• not know which way to turn
• not let the grass grow under feet