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Conditions

Oppositional defiant disorder

Oppositional defiant disorder is a childhood condition marked by an ongoing pattern of angry mood, argumentative or defiant behavior, and vindictiveness that goes beyond typical ups and downs.

Also known as: ODD

What oppositional defiant disorder actually is

Oppositional defiant disorder is a condition, usually identified in childhood, marked by an ongoing pattern of angry or irritable mood, argumentative or defiant behavior, and vindictiveness. It’s more than the occasional tantrum or pushback that most children show, both in how often it happens and how much it disrupts life.

Clinicians look for a pattern that lasts at least six months and shows up across settings or with more than one person, such as at home and at school. Examples include frequent loss of temper, arguing with adults, refusing to follow rules, deliberately annoying others, blaming others for mistakes, and being spiteful. The behaviors cause problems for the child or for the people around them.

It often starts in the preschool or early school years. It can occur on its own or alongside other conditions, and a careful evaluation helps tell it apart from typical development and from other explanations for the behavior.

What oppositional defiant disorder can feel like

For a child, the world can feel full of unfair rules and adults who don’t understand. Frustration can build quickly, and small requests can spark big reactions. Many children with the condition aren’t trying to be difficult on purpose; they struggle to manage strong feelings and to back down once a conflict starts.

For families, daily life can feel like a series of battles over routines, homework, or limits. Parents often feel worn down, second-guess themselves, or worry they’re doing something wrong. These reactions are common, and they don’t mean a family has failed.

What oppositional defiant disorder isn’t

Oppositional defiant disorder isn’t simply a child being bad, or a result of bad parenting. It’s a recognized pattern of behavior that reflects difficulty with mood and self-regulation, not a deliberate choice to cause harm.

It also isn’t the same as conduct disorder, which involves more serious violations of rules and the rights of others. And it isn’t permanent. With support, including parent training and behavioral therapies, many children learn to manage their emotions and behavior more effectively over time.

ADHD often occurs alongside oppositional defiant disorder and can overlap in some ways. Irritability is a core feature of the angry mood seen in the condition. Emotional regulation is the skill set that’s often hard for these children. CBT is one therapy approach that can help with managing feelings and behavior.

When to seek professional care

If a child’s defiance, anger, or conflict is frequent, lasts for months, and is causing trouble at home or school, an evaluation can help. A clinician can tell the difference between typical behavior and a condition that would benefit from support, and can discuss approaches such as parent training and therapy. Early help can ease strain for the whole family. If a child or family member is having thoughts of suicide or self-harm, seek help right away. In the United States, you can call or text 988.

When evaluation may help

Not everyone reading about oppositional defiant disorder needs treatment. If it's getting in the way of your day, your sleep, your work, or your relationships, or if it isn't easing on its own, a professional evaluation is a reasonable next step. Most people start with their primary care doctor or a therapist. A psychiatrist is the right call when medication may be involved or the picture is complicated, though waits can be long.

We keep an honest, no-commission rundown of the options, from primary care to telepsychiatry to crisis lines, on one page.

If you're in crisis or thinking about suicide, call or text 988 in the US, or go to the nearest emergency room.

When this word matters

Defiance crosses into ODD when an angry, argumentative, or vindictive pattern is frequent, lasting, and beyond typical childhood ups and downs, which sets it apart from ordinary stubbornness or the more serious rule-breaking of conduct disorder.

Commonly confused with

Conduct disorderADHDNormal childhood defianceDisruptive mood dysregulation disorderIntermittent explosive disorder

Frequently asked questions

What is oppositional defiant disorder?

It's a condition usually identified in childhood, marked by an ongoing pattern of angry or irritable mood, argumentative or defiant behavior, and vindictiveness. It goes beyond the occasional tantrum in how often it happens and how much it disrupts life.

How is oppositional defiant disorder different from conduct disorder?

It isn't the same as conduct disorder, which involves more serious violations of rules and the rights of others. Oppositional defiant disorder reflects difficulty with mood and self-regulation rather than a deliberate choice to cause harm.

Is oppositional defiant disorder caused by bad parenting?

No, it isn't simply a child being bad or a result of bad parenting. It's a recognized pattern of behavior, and with support such as parent training and behavioral therapies, many children learn to manage their emotions and behavior over time.

Related terms

Sources

  1. Disruptive, Impulse-Control and Conduct Disorders , MedlinePlus
  2. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) , American Psychiatric Association
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  <p><strong>Oppositional defiant disorder:</strong> Oppositional defiant disorder is a childhood condition marked by an ongoing pattern of angry mood, argumentative or defiant behavior, and vindictiveness that goes beyond typical ups and downs.</p>
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Refai, S. (2026). Oppositional defiant disorder. Shrinktionary. https://shrinktionary.com/terms/oppositional-defiant-disorder/

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"Oppositional defiant disorder." Shrinktionary, https://shrinktionary.com/terms/oppositional-defiant-disorder/. Accessed July 25, 2026.

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