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PHOBIA DIRECTORY
A–Z list of phobias, fears and their meanings
Explore our extensive A–Z directory of phobias and fears, bringing together clear meanings, alternative names and name origins in one searchable resource. Search by phobia name, object, situation or everyday experience, and explore specialist guides for a deeper understanding of the fears that matter to you.
PHOBIA NAMES & MEANINGS
Search the phobia directory
Find a guide using an everyday fear name or a clinical term, or browse by type and letter.
Browse by type or letter
Letter: O
Odynophobia: fear of physical suffering
A fear of physical suffering can affect everyday situations involving sharp pain, severe pain and aching. It may lead to avoiding movement, treatment or everyday activities because of what might hurt, as well as closely monitoring the body for signs of pain.
- Possible triggers
- Anticipating a painful experience, hearing someone describe suffering or recalling physical pain.
- Name origin
- From Greek odyne (pain) and -phobia.
Ombrophobia: fear of rain
A fear of rain can affect everyday situations involving heavy rain, rain noise, downpour and rainstorm.
- Possible triggers
- Examples include stepping outside into drizzle, seeing heavy rain through a window or checking a forecast that predicts rain during planned activities.
- Name origin
- From Greek ombros (rain) and -phobia.
Ocnophobia: fear of remaining still
A fear of remaining still can affect everyday situations involving staying still, not moving, standing still and inactivity. It may lead to restricting movement, avoiding activities or positions, monitoring bodily sensations, or changing routines to prevent the feared motion or lack of motion.
- Possible triggers
- Being asked to stand still, waiting without moving or anticipating a task that requires stillness.
- Name origin
- From Greek oknos (hesitation) and -phobia.
Ostraconophobia: fear of shellfish
A fear of shellfish can affect everyday situations involving crab, lobster, prawn and seafood. It may lead to scanning surroundings, avoiding places where the animal might appear, asking other people to check or deal with it, or leaving suddenly when one is seen.
- Possible triggers
- Seeing shellfish at a fish counter, being served a shellfish dish or encountering shells with animals inside.
- Name origin
- From Greek ostrakon (shell) and -phobia.
Ophidiophobia: fear of snakes
A fear of snakes can affect everyday situations involving snake bite, slithering, serpent and reptile. It may lead to scanning surroundings, avoiding places where the animal might appear, asking other people to check or deal with it, or leaving suddenly when one is seen.
- Possible triggers
- Seeing a snake in a reptile enclosure, encountering snake footage or anticipating snakes during an outdoor trip.
- Name origin
- From Greek ophis (snake) and -phobia.
Osminophobia: fear of strong smells
A fear of strong smells can affect everyday situations involving overpowering scent, strong smell, bad smell and odour. It may lead to scanning for the sensation or visual cue, avoiding particular environments or objects, leaving situations early, or arranging surroundings to prevent encountering it.
- Possible triggers
- Entering a strongly scented shop, noticing a powerful cooking smell or being near a heavily fragranced product.
- Name origin
- From Greek osme (smell) and -phobia.
Octophobia: fear of the number 8
The number eight is the focus, rather than numbers in general.
- Possible triggers
- Seeing the number eight on a ticket, being assigned room 8 or encountering it in a calculation.
- Name origin
- Combines octo- (eight), from Latin octo or Greek okto, with -phobia (fear).
Ochophobia: fear of vehicles
A fear of vehicles can affect everyday situations involving riding in vehicles, cars, buses and trains. It may lead to avoiding certain journeys, routes or vehicles, planning extensively, relying on other people for transport, or cancelling trips altogether.
- Possible triggers
- Approaching a parked vehicle, standing near moving traffic or anticipating a journey in a vehicle.
- Name origin
- From Greek okhos (vehicle) and -phobia.
- Also known as
- Amaxophobia, Hamaxophobia, Motorphobia
Oenophobia: fear of wine
This term is used for fear or strong aversion towards wine. Choosing not to drink wine, for any reason, is not itself a phobia.
- Possible triggers
- Wine being poured at a meal, its smell nearby, or being offered a glass during a social occasion.
- Possible name origin
- Oeno comes from Greek oinos, meaning wine. Phobia comes from Greek phobos, meaning fear.
Inside every hub
What each phobia guide includes
Each hub brings the main information together and links to focused pages when more detail is useful.
- 01Complete guide
A clear starting point and routes into the full topic.
- 02Symptoms
Physical sensations, thoughts, attention and avoidance.
- 03Causes
Possible pathways and what may keep the fear going.
- 04Treatment
Established and complementary approaches explained carefully.
- 05Recovery
What meaningful progress and greater freedom may involve.
- 06Questions and facts
Practical answers and useful phobia-specific context.
A useful place to begin
Search in the words that feel natural to you
Start with a phobia name, situation, sensation or concern. The directory will show the closest available guides and their meanings.

