damp

a slight wetness

deaden (a sound or noise), especially by wrapping

restrain or discourage; "the sudden bad news damped the joyous atmosphere"

make vague or obscure or make (an image) less visible; "muffle the message"

lessen in force or effect; "soften a shock"; "break a fall"

slightly wet; "clothes damp with perspiration"; "a moist breeze"; "eyes moist with tears"