As adjectives the difference between damp and dewy
is that
damp is being in a state between dry and wet; moderately wet; moist while
dewy is covered by dew.
As a noun damp
is moisture; humidity; dampness.
As a verb damp
is to dampen; to render damp; to moisten; to make humid, or moderately wet; as, to damp cloth.
As an abbreviation DAMP
is
Deficits in
Attention,
Motor coordination and
Perception.