Ever notice how people say “opossum” but usually skip that first “o”? It just comes out as “possum.”
That’s because the first “o” in opossum tends to be silent or at least softened in casual conversation, even though you still see it in the spelling.
This oddity has roots in the word’s history and in the way folks naturally shorten words when they talk.

The word “opossum” actually comes from a Native American language. In the early days, the “o” was there, but people didn’t always say it clearly.
As time passed, that sound faded or got dropped, so now you’ll hear both versions floating around.
Curious about why that happens or how it ties in with other words like “possum”?
Let’s dig into this weird little twist of language.
Ever wondered if the silent “o” matters or changes what the animal’s called?
Honestly, you’re not the only one.
Figuring out why it’s silent gives you insight into how English borrows words and messes with their sounds.
Silent ‘O’ in Opossum: Linguistic Origins

The silent “O” in opossum comes from the way English borrowed and reshaped the word over time.
It started as a Native American word, and when English speakers took it, they kept the spelling but didn’t always keep the original sound.
History of the Word ‘Opossum’
English speakers first borrowed “opossum” from Native American languages.
They used it to refer to the Virginia opossum, which is the only species native to the U.S.
At first, people pronounced the whole word, but the first “O”—a short, weak vowel—eventually got dropped in speech.
That change has a name: aphesis. It’s what happens when folks drop an initial vowel in everyday talk.
Even though people stopped saying the “O,” the spelling stuck around.
It’s a little nod to where the word came from.
Native American Language Influence
The Powhatan language gave us “opossum.”
Powhatan tribes in Virginia used a word that sounded like apasum, meaning something like “white animal” or “white face.”
That described the Virginia opossum’s pale coloring around its face.
When English settlers picked up the word, they tweaked the pronunciation but kept most of the spelling.
This helped keep some of the original meaning and history alive, even as the word changed.
It’s kind of cool to see how the “O” in the spelling is a leftover from that process.
Adoption into English Vocabulary
English speakers brought “opossum” into their vocabulary with the full spelling, but the way they said it got simpler.
People dropped the weak, unaccented vowel at the start, which is why the “O” went silent.
Aphesis isn’t rare in English.
Words like fend (from defend) changed in a similar way.
Dictionaries and style guides, like Merriam-Webster and the Associated Press, still say to keep the “O” in writing.
So, the spelling stays official, even if everyone just says “possum.”
English does this a lot—what you write and what you say don’t always match up.
Opossum is a perfect example.
If you’re curious, you can read more about the silent “O” and its history in opossum at Patrick’s Place.
Pronunciation Evolution and Common Usage

So, why do people usually skip the “O” in “opossum”?
The way folks pronounce the word has shifted over the years, and there’s more than one way to write it, too.
Getting a handle on these changes helps clear up why the “O” is silent.
And honestly, it’s a little less confusing once you know the story.
Modern Pronunciation Patterns
These days, most people just drop that first “O” and say “possum.”
You’ll hear it all the time in regular conversation.
That happens because the first “O” is a quick, weak vowel sound—and over time, people just stopped saying it.
Aphesis strikes again.
In formal or scientific settings, you might still hear the full “uh-possum” with the “O” pronounced.
But even there, “possum” is pretty common.
| Pronunciation Style | Common Use | Explanation |
|---|---|---|
| uh-possum | Scientific, formal | Full original sound |
| possum | Everyday, informal | Dropped first vowel sound |
Spelling Variations: “Possum” vs. “Opossum”
Most of the time, you’ll spot opossum as the official spelling. The silent “O” sticks around, even though hardly anyone says it out loud.
Dictionaries and style guides, like the Associated Press, stick with opossum for the sake of accuracy.
But honestly, people use possum all the time in everyday writing and speech. It just sounds more natural, right?
That spelling, possum, pops up in certain idioms too—like “playing possum.” That phrase means pretending to be dead or asleep, which is exactly what these animals do when they get scared.
Both spellings work, honestly. If you want to sound formal, go with opossum. But if you’re just chatting or writing casually, possum does the trick.