The noun behavior has the adjective form behavioral. (The UK spelling is behavioural.)
Yes, anyone can exhibit acrimonious behavior. Acrimonious behavior is characterized by bitterness and harshness in interactions with others, which can be displayed by anyone regardless of age, gender, or background.
The past tense of mischievous is still mischievous as it is an adjective that describes a person's behavior. You could use the word misbehaved instead to convey a similar meaning in the past tense.
The word 'behavior' is a noun, a word for the manner of conducting oneself, the actions displayed by an organism in response to its environment; a word for an action or reaction, a word for a thing.
The adjective for jealousy is "jealous."
The noun behavior has the adjective form behavioral. (The UK spelling is behavioural.)
behavioral
No, you would say - good behaviour and the adjective is well-behaved.
Fearless is an adjective because it is a descriptive word.
As a verb, "explaining behavior" is the act of using words to explain a behavior. As an adjective, "explaining behavior" is the observable behavior in which a person tends to explain her/himself.
Stubborn is an adjective, because it describes something.
The word "ungentlemanly" is an adjective. It describes a behavior or action that is not characteristic of a gentleman.
The word "frantic" is an adjective. It describes a state of wild or frenzied activity or behavior.
annoying, obvious, nosy
The word "erratic" is an adjective. It is used to describe something that is unpredictable or irregular in behavior or movement.
The word "moral" can function as both an adjective and a noun. As an adjective, it describes principles of right and wrong behavior. As a noun, it refers to a lesson or principle taught by a story or experience.
The adjective "mannered" means polite or showing a particular behavior.