looby

As nouns the difference between clumsy and looby

is that clumsy is a person while looby is an awkward or clumsy person.

As an adjective clumsy

is awkward, lacking coordination, not graceful, not dextrous.

As an adverb awkward

is (obsolete) in a backwards direction.

As an adjective awkward

is lacking dexterity in the use of the hands, or of instruments.

As a noun looby is

an awkward or clumsy person.