He's in a bad mood today, so you might want to tread lightly if you talk to him.
Her wild mood swings displayed the natures of her multiple personalities.
The mood is big city, with flashes of madcap mischief, craziness and devilry on the part of Rabbit and (especially) Rogue; the Rag Couple, sometimes ballroomy, have notes of tension and dispute.
Meaning of moods for the defined word.
Grammatically, this word "moods" is a noun, more specifically, a noun form.