Noncooperative means not willing to work, help or collaborate with others. There are several synonyms to describe the noncooperative attitude of a person, such as uncooperative, recalcitrant, obstinate, intractable, and defiant. Uncooperative means someone who is not helpful, supportive or compliant in a particular situation. Recalcitrant implies stubbornness, defiance, or resistance to authority. Obstinate means someone who is very determined, inflexible, and unwilling to change. Intractable describes a stubborn or difficult person who refuses to cooperate or compromise. Defiant suggests open resistance or rebellion against authority. In conclusion, there are various synonyms to describe a person's noncooperative nature. Understanding and appropriately using these words can help accurately describe a person's attitude in a particular situation.