Meaning of “clever” - Learner’s Dictionary

clever

adjective uk us /ˈklevər/
INTELLIGENT

A1 able to learn and understand things quickly and easily:

a clever student
EFFECTIVE

B1 designed in an effective and intelligent way:

a clever idea
a clever tool
cleverly adverb

a cleverly designed toy
cleverness noun [ U ]

(Definition of “clever” from the Cambridge Learner’s Dictionary © Cambridge University Press)