definition of
dampen

[1] #1 dampen v. [stifle] smother or suppress; "Stifle your curiosity". wn

[2] #2 dampen v. [moisten, wash] make moist; "The dew moistened the meadows". wn

[3] #3 dampen v. [muffle, mute, dull, damp, tone down] deaden (a sound or noise), especially by wrapping. wn

[4] #4 dampen v. reduce the amplitude (of oscillations or waves). wn

[5] #5 dampen v. [deaden, damp] make vague or obscure or make (an image) less visible; "muffle the message". wn