Dream Meanings: The Dream Dictionary from A to Z
A crocodile in your bathroom borrowed your toothbrush last night, and now you want to know what your brain was thinking? Welcome to the dream dictionary: honest, sourced, and run by an oracle who has heard every dream twice.

🌙 Nebu’s dream interpreter
Tell me your dream in a few sentences. I’ll find the dream symbols in it and tell you what they can mean.
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Dream meanings from A to Z
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How dream interpretation works today
Put the crystal ball down, even though I’m fond of it. Modern dream interpretation isn’t about predicting anything. It’s about holding up a mirror. A dream doesn’t tell you what will happen, it shows what’s on your mind, just in pictures instead of sentences.
Dream symbols are offers, not verdicts. When a dream dictionary says a snake can stand for change, it means many people link the two. Whether that fits you is your call. That’s why every symbol here covers what’s commonly said, what research found, what old dream books believed, and which questions might help you.
Think of this dream dictionary as dream meanings from A to Z with a built-in reality check. You look up a symbol, read what it can mean, then test it against how the dream felt. The feeling is often a better clue than the picture. The same crocodile can scare you or just leave you puzzled, and those are two different dreams.
What science knows about dreams
Dream research is younger than you’d think. In 1953, Eugene Aserinsky and Nathaniel Kleitman reported in the journal Science that our eyes move in regular bursts during sleep. That was the discovery of REM sleep. Since then we know your brain does not clock out at night.
REM makes up roughly 20 to 25 percent of your sleep. Those phases get longer as the night goes on, so the most vivid dreams and nightmares tend to come in the last third of the night. If a wildly colourful dream catches you just before the alarm, your brain simply saved the best for last.
A survey of 1,181 Canadian first-year students shows what we dream about: 81.5 percent had been chased, 73.8 percent had fallen, and 67.1 percent had dreamt about school or studying. Teeth falling out? Only 18.8 percent, rank 38 of 55 themes. The famous teeth dream is rarer than its reputation suggests.
If you often wake up in a bad mood, here’s some comfort. In the classic Hall and Van de Castle norms, 80 percent of all emotions coded in dreams are negative. Unpleasant dreams are normal, because your brain is not a spa. The continuity hypothesis fits too: diary studies support the idea that dreams pick up on your waking life, although focused activities like reading rarely show up.
From Artemidorus to Freud and Jung: a short history of dream interpretation
People have been interpreting dreams for as long as there have been stories. In the 2nd century AD, Artemidorus of Daldis wrote his Oneirocritica, a dream book in five volumes. His core idea sounds surprisingly modern: the same dream can mean different things to different people, depending on who they are and what their life looks like.
Later came alphabetical symbol lists, a distant ancestor of the A to Z dream dictionary, and eventually cheap dream books for every budget. Their hit rate was, let’s say, modest. As tradition it’s charming. As fortune telling it stays a fairy tale.
In 1899 Sigmund Freud published The Interpretation of Dreams, dated 1900. His claim: dreams fulfil hidden wishes and dress them up as pictures. What you remember is only the facade, and the real content hides behind it. It was a landmark, even if research today sees dreams more broadly, for instance as a mirror of what occupied you during the day.
Carl Jung disagreed on a lot. To him, dreams balance out a one-sided attitude in waking life: if you only function by day, the night delivers the chaos. He also believed that especially big dreams draw on archetypes of the collective unconscious. Research, though, has found no systematic evidence for this balancing act. What usually shows up is continuity with waking life. Both thinkers still inspire people, but neither gets the last word.
How to interpret your own dream in 4 steps
You don’t need a crystal ball or a psychology degree. You need a pen and five minutes right after waking up. Step 1: write the dream down immediately, scraps and nonsense included. The less you tidy up, the more sticks.
Step 2: find the feeling. Fear, calm, curiosity, disgust, relief? The feeling is the red thread through the dream. Falling with relief tells a different story than falling with panic.
Step 3: look up the dream symbols. Search this dream dictionary for the things you noticed and read the meanings as suggestions. Keep what makes you nod inwardly and let the rest go.
Step 4: bring the dream into your day. What has been going on lately, and where do you feel the same feeling right now? If it clicks, you’ve learned something. If not, that’s fine too, because sometimes a crocodile is just a crocodile.
Nightmares: when to get help
Nightmares are annoying but common. According to the American Academy of Sleep Medicine, 50 to 85 percent of adults have occasional nightmares. For 2 to 8 percent they happen so often that they disturb sleep. You are not alone with this.
Nightmare disorder, a diagnosis of its own, affects about 4 percent of adults according to a 2018 position paper from the same society. It means repeated, distressing dreams that wake you fully and leave a real mark on you. A single bad dream doesn’t count.
Talk to a doctor or therapist if nightmares keep coming back, if you struggle to fall asleep again afterwards, or if they began after a difficult experience. That’s not weakness, it’s good care for yourself. Nightmares can be treated well: the position paper recommends imagery rehearsal therapy in particular, where you rewrite the nightmare while awake and practise the new version.
If thoughts of suicide or self-harm are on your mind, please reach out right now. In the USA you can call or text 988, and in the UK and Ireland you can call Samaritans on 116 123.
Lucid dreaming: when you realise you’re dreaming
A lucid dream is one where you know you’re dreaming while it keeps going. A review of 50 years of studies found that 55 percent of people have had at least one lucid dream, and 23 percent have them monthly or more. So it’s not a secret club, plenty of people have been in it.
If you’re curious, a dream journal is a friendly place to begin: the more dreams you remember, the better you get to know your night-time cinema. There’s no guaranteed ticket to your first lucid dream, though. And if it works, the alarm clock stays the boss anyway.
Frequently asked questions
Can dreams really be interpreted?
A dream is more like a mirror than a timetable. Symbols give you ideas of what might fit, and you check them against your life and the feeling in the dream. There is no proven one-size-fits-all meaning, not even in the old dream books.
Do dreams predict the future?
No. Dreams draw on memories, feelings and experiences and mix them into scenes. When a dream seems to come true, it usually was about something that already occupied your mind.
What is a lucid dream, and how many people have one?
A lucid dream is one where you know you’re dreaming while it continues. A review of 50 years of studies found that 55 percent of people have had at least one, and 23 percent have them monthly or more. So you are in good company.
Why are my dreams so often unpleasant?
Because that’s the norm. In the Hall and Van de Castle norms, 80 percent of the emotions coded in dreams are negative. Unpleasant dreams aren’t a bad sign, they’re quite ordinary.
What is the most common dream?
In a survey of 1,181 Canadian first-year students it was being chased: 81.5 percent had dreamt it at least once. Sexual experiences followed with 76.5 percent and falling with 73.8 percent. Teeth falling out came in at just 18.8 percent.
When during the night do we dream most vividly?
REM phases make up about 20 to 25 percent of sleep and get longer as the night goes on. The most vivid dreams and nightmares therefore often come in the last third of the night. That’s why you often remember the dream right before the alarm.
What is the difference between a nightmare and a night terror?
A nightmare usually happens in REM sleep, mostly in the last third of the night. A night terror comes out of deep sleep, often early in the night, and little is remembered afterwards. If either keeps disturbing your sleep, talk to a doctor.
What will I find in this dream dictionary?
A search box, 14 categories such as animals, body or places, and many dream symbols with meaning, research, tradition and questions for you. There is also the dream interpreter: you type your dream and Nebu finds the symbols in it. It all runs in your browser.
📚 Sources and further reading
- Aserinsky E, Kleitman N (1953). Regularly occurring periods of eye motility, and concomitant phenomena, during sleep. Science 118(3062):273-274.
- American Academy of Sleep Medicine (n.d., accessed 2026-10-12). Nightmares. sleepeducation.org (AASM).
- Nielsen TA, Zadra AL, Simard V, Saucier S et al. (2003). The typical dreams of Canadian university students. Dreaming 13(4):211-235 (APA).
- Domhoff GW (DreamBank, UC Santa Cruz), based on Hall CS and Van de Castle RL 1966 (n.d.). Dreams: Summary of normative findings. University of California, Santa Cruz.
- Schredl M, Hofmann F (2003). Continuity between waking activities and dream activities. Consciousness and Cognition 12(2):298-308.
- Harris-McCoy DE (2012). Artemidorus' Oneirocritica: Text, Translation, and Commentary. Oxford University Press, ISBN 9780199593477.
- Freud S; translated by Crick J, edited by Robertson R (2009). The Interpretation of Dreams. Oxford University Press (Oxford World's Classics).
- Domhoff GW (n.d.). Classroom lecture notes: Jung on dreaming. University of California, Santa Cruz (DreamResearch.net).
- Morgenthaler TI, Auerbach S, Casey KR, Kristo D et al. (2018). Position paper for the treatment of nightmare disorder in adults: an American Academy of Sleep Medicine position paper. Journal of Clinical Sleep Medicine 14(6):1041-1055.
- Saunders DT, Roe CA, Smith G, Clegg H (2016). Lucid dreaming incidence: A quality effects meta-analysis of 50 years of research. Consciousness and Cognition 43:197-215.
We cite peer-reviewed research and standard works; the meanings of individual symbols are interpretation, not proven facts.
🐍 Animals18 dream symbols
👥 People7 dream symbols
🦷 Body5 dream symbols
🏃 Actions12 dream symbols
🌊 Nature7 dream symbols
🏛️ Places1 dream symbols
🏠 Home2 dream symbols
🔑 Objects4 dream symbols
🍎 Food and drink1 dream symbols
🚗 Travel2 dream symbols
💍 Events9 dream symbols
🐉 Myth and magic2 dream symbols