noun

moisture diffused through the air or a solid substance or condensed on a surface, typically with detrimental or unpleasant effects.

the house reeked of mould and damp

moisture,dampness,humidity,wetness,wet,water,liquid,condensation,steam,vapour,clamminess,mugginess,dankness,wateriness,rain,raininess,dew,drizzle,precipitation,spray,perspiration,sweat

verb

make (something) slightly wet.

damp a small area with water

dampen,moisten,wet,dew,water,irrigate,humidify,bedew,sparge,humify,humect