B1
effective and showing intelligence
Dictionary examples:
The clever teacher used pizza to teach fractions, and everyone paid attention. (0.0)
My clever brother tricked me into doing his homework for a week. (0.0)
My clever dog pretends to be sick to avoid going to the vet. (0.0)
a clever idea (17.5)
I've got a clever little gadget for opening jars. (48.3)