Emotional. Or moody.
Yes, mood is a noun, though it can be used without change as an adjective, as in "mood music."
Yes, "grouchy" is an adjective used to describe someone who is often irritable or in a bad mood.
nice mood
Because it describes something, such as an emotion, mood, etc.
Yes, playful is an adjective, a word to describe a noun; for example:a playful childa playful smilea playful mood
Pensive.
Cranky is an adjective.
An adjective.Example:"Are you well?"'Well' in this case describes the person's mood/condition.
No, atmosphere is a noun. Atmospheric is an adjective.
Yes, many adjective are formed from nouns.Examples of adjective forms of nouns:noun = love; adjective = lovely, loveless, lovablenoun = mood; adjective = moodynoun = hope; adjective = hopefulnoun = quiz; adjective = quizzicalnoun = beef; adjective = beefyThere are nouns that are also adjectives.Examples of nouns that are also adjectives:noun = dark blue; adjective = blue skynoun = early winter; adjective = winter stormnoun = table salt; adjective = salt porknoun = plate glass; adjective = glass beads
"Moody" can be both a noun and an adjective. As a noun, it refers to a person's moodiness or temperament. As an adjective, it describes someone who is prone to frequent changes in mood or temperament.
Moodiness is the abstract noun form for the adjective moody. Another abstract noun is mood.