What is Sesquipedalophobia?

Sesquipedalophobia, also known as Hippopotomonstrosesquipedaliophobia, is the irrational and extreme fear of long words. (How wonderful that this second name is immensely long so that sufferers of this condition might also fear the name of their diagnosis!) It is related to logophobia and verbophobia (fear of words), and onomatophobia

This is a specific phobia. The name is a combination of the Latin words “sesqui,” meaning “one and a half,” and “pedal,” meaning “foot”. It means “one and a half feet,” an allusion to the length of the word.

Symptoms of Sesquipedalophobia

In extreme cases, phobics will avoid reading altogether and may avoid reading anything in public, such as a menu that might feature dishes with long names.

  • extreme anxiety, dread
  • shortness of breath
  • rapid breathing
  • heart palpitation
  • excessive sweating
  • nausea
  • dry mouth
  • confusion / inability to articulate clearly
  • lack of focus
  • irritability
  • diarrhea
  • shaking
  • feelings of powerlessness
  • obsession with the subject of the phobia
  • fear or feelings of losing control
  • avoidance behavior
  • headaches

Learn more about phobia symptoms

Causes of Sesquipedalophobia

This fear may be rooted in a lack of education or difficulties reading, such as with dyslexia.

Sesquipedalophobia is a specific (or “isolated”) phobia, centered on non-social key factors. Isolated phobias tend to have some previous trauma (often in childhood and often physically injurious) as a root cause; a fear of bees may stem from an injury in childhood, for instance.

Upbringing can also play a role, such as parental warnings about a direct threat (such as “snakes can bite and kill you”) which is especially notable in cases where a threat is more imminent. (An allergy to bees or peanut butter, for instance, would naturally reinforce a real medical concern.)

It is thought that genetics and hereditary factors may play a role in specific phobias, especially those related to a danger of injury. (A primal “fight or flight” reflex may be more easily triggered in those with a genetic predisposition, for instance.)

By contrast, social phobias (like a fear of body odor or touch) are less well understood, are driven by social anxiety and are broadly labeled as “social anxiety disorder”.

In all kinds of phobias, external experiences and / or reports can further reinforce or develop the fear, such as seeing a family member or friend who is affected. In extreme cases, indirect exposures can be as remote as overhearing a reference in conversation or seeing something on the news or on TV and movies.

Sesquipedalophobia, like most phobias, stems from a subconscious overprotection mechanism, and as with many phobias can also be rooted in an unresolved emotional conflict.

Learn more about the causes of phobias

Treatment for Sesquipedalophobia

  • Cognitive behavior therapy (CBT)
  • Habit strategies to relax
  • Cognitive therapy (CT)
  • In vivo exposure
  • Response prevention
  • Hypnotherapy
  • Group therapy
  • Psychotherapy
  • Energy Psychology
  • Medication
  • Meditation

Learn more about phobia treatments


Book Shelf

The list of books below are hand picked by the staff at Massive Phobia. It's a mixture of Cognitive Behavioral Therapy, Habit Strategies, Trauma Healing, Mindfulness, Meditation, Buddhist Knowledge and Somatic Study. We hope you enjoy them as much as we did.