To make damp.
To deaden, restrain, or depress
"trade moves ... aimed at dampening protectionist pressures in Congress" (Christian Science Monitor).
To soundproof.
To become damp.
(transitive) To make damp or moist; to make moderately wet.
(intransitive) To become damp or moist.
(transitive) To lessen; to dull; to make less intense (said of emotions and non-physical things).
We won't let the bad news dampen our spirits.
(intransitive) To become damped or deadened.
smother or suppress;
Stifle your curiosity
make moist;
The dew moistened the meadows
deaden (a sound or noise), especially by wrapping
reduce the amplitude (of oscillations or waves)
make vague or obscure or make (an image) less visible;
muffle the message
check; keep in check (a fire)
lessen in force or effect;
soften a shock
break a fall
To make damp or moist; to make slightly wet.
To depress; to check; to make dull; to lessen.
In a way that considerably dampened our enthusiasm.
To become damp; to deaden.