To Be Damp, To Be Moist, To Be Wet
intransitive verb, godan verb
Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means damp so the verb vocab version is to be damp or to be moist. Ewww.
しめる
You know what's really damp and moist? Sheep men (しめ) are. They've been hanging out in a greenhouse and now their wool is all damp. They're going to need a towel to dry off.
昨日の夜、寝汗をたくさんかいちゃったから、ベッドが何だか湿ってるのよね。
I sweat a lot when I was sleeping last night and my bed is a little damp.