30+ Noun that Starts with O that will Make You a Good Writer!

Noun that Starts with O: Famous tongue twister that goes like: “Old oily Ollie oiled only old oily autos.” Notice how this sentence includes so many nouns? Before this, we must understand that nouns are naming words which make a sentence. Nouns can also be found from A to Z letter which one must be aware of. Some of the common nouns that start with the letter O are owl, onions, Oprah Winfrey, Olympus and several others. Similarly, to find more nouns starting with the letter O, make sure you continue reading this blog post. 

Learn all About Nouns From Scratch Here!

List of 30+ Popular Noun that Starts with O

Before we begin with the blog, check out the list of some of the popular nouns that starts with O. You must check out the picture with all the nouns. You can download this picture which will be quite helpful for future reference. 

Different Types of Noun that Starts with the Letter O

Simply put, a noun is a word that represents a person, place, thing, animal, quality, idea, or action. Nouns are essentially naming words which make a sentence. There are several types of nouns, these include

• Collective nouns
• Concrete nouns
• Possessive nouns
• Countable and uncountable nouns

Let’s look at the table below which lists all the other types of nouns that can be used. 

Proper Noun that Starts with O

Proper nouns are the names that are used for a specific name for a person, place, or thing. It always begins with a capital letter. Below is a table which mentions all the proper nouns that begin with the letter O. 

Nouns Starting with O	Examples
Obama	Obama was the President of the US.
Oprah Winfrey	Oprah Winfrey is a media mogul and philanthropist.
Oscar Wilde	Oscar Wilde was a brilliant Irish playwright known for his wit and the iconic play, “The Importance of Being Earnest.”
Ohio	Ohio is known for its rich history and diverse landscapes.
Ontario	Ontario is Canada’s most populous province.
Oscar Award	The Oscar is the most coveted award in the film industry.
Organization of Petroleum Exporting Countries (OPEC)	OPEC influences global oil prices by regulating production.
Orion	Orion is a prominent constellation easily spotted in the winter sky.
Olympus	Mount Olympus was the home of the Greek gods.
Oliver Twist	Oliver Twist, a young orphan, famously asked for “more” food.

Also Read: List of Proper Nouns A-Z: Examples, Exercises with Answers

Common Nouns that Start with O

Going by the name, common nouns are general names for a person, place, idea, or thing. All the objects that are used daily come in this category. Find the table with all the common noun that starts with O, which will be quite helpful for you. 

Nouns Starting with O	Examples
Ocean	The vast ocean held countless mysteries beneath its deep blue surface.
Owl	The wise old owl hooted mysteriously from the ancient oak tree.
Onions	Onions make your eyes water.
Object	The shiny object caught my eye.
Octopus	The octopus used its many arms to camouflage itself on the ocean floor.
Oyster	The salty oyster glistened on the half-shell.
Outfit	She carefully selected a new outfit for the party.
Overcoat	He pulled his heavy overcoat closer as the winter wind whipped through the city streets.
Oven	She carefully placed the golden brown turkey in the oven to finish roasting.
Opal	The opal flashed vibrant colours in the sunlight.

Also Read: 11 Examples of Common Nouns in Your Surroundings!

Abstract Nouns that Start with O

Abstract nouns refer to the words that represent an idea, concept or an idea. Moreover, these are qualities that cannot be touched, seen or heard by our five senses. Check out the table below which mentions all the abstract nouns starting with the letter O. 

Nouns Starting with O	Examples
Obedient	The obedient puppy followed its owner without a leash.
Oblivion	After the accident, he slipped into a peaceful oblivion.
Obsession	Her obsession with perfection prevented her from enjoying life’s simple pleasures.
Order	Order was restored to the chaotic classroom after the substitute teacher arrived.
Opportunity	The new job offer presented a golden opportunity for career advancement.
Outrage	The news of the environmental disaster sparked widespread outrage among the public.
Origin	The origin of the ancient artefact remains a mystery to archaeologists.
Opinion	Everyone has their own opinion about the best flavour of ice cream.
Optimism	Her optimism was infectious, inspiring everyone around her to believe in brighter days ahead.
Offence	Her insensitive remark caused great offence among the group.

Also Read: 25 Examples of Abstract Nouns in Sentences

List of Noun from A to Z

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

Nouns that Starts with O to Describe a Person

With English being a vast language, we often miss out on using the right word at the right time. Therefore, we have compiled this list of noun that starts with O which you can use to describe a person. You will find the meaning and examples of the following words below. 

Nouns	Meaning	Examples
Obliging	Someone willing to do favours or help others; accommodating.	The obliging librarian helped me find the exact book I was looking for.
Objective	A goal or aim.	The scientist conducted an objective study to determine the effectiveness of the new drug.
Observant	Paying close attention to people and things; quick to notice details.	The detective was an observant person who noticed even the smallest clues at the crime scene.
Oblate	Having an equatorial diameter greater than the polar diameter; flattened at the poles.	Due to its rapid rotation, Earth is slightly oblate, meaning it’s flattened at the poles.
Optimistic	Hopeful and confident about the future; believing that good things will happen.	Despite facing challenges, she remained optimistic about finding a solution.
Obnoxious	It means extremely unpleasant or irritating.	The obnoxious customer complained loudly about the service.
Obeisant	Showing deep respect or deference; submissive.	The courtiers were obeisant to the queen, bowing low as she entered the room.
Obvious	Easy to see, understand, or recognize. Clear and plain.	It was obvious that she was upset by his behaviour.
Outstanding	Exceptionally good or excellent; superior.	Her performance in the play was outstanding, earning her a standing ovation.
Outgoing	Enjoying interacting with others, often enthusiastic and energetic.	She has a very outgoing personality and makes friends easily.

Sentences of Nouns Starting with O

You must now look at all the sentences mentioned below where we have included all the nouns that start with O. With the help of these, you will get an idea of how to create sentences using these nouns in future. 

• The ocean waves crashed against the shore.
• She baked a delicious apple pie in the oven.
• The owl hooted mysteriously in the night.
• We picked fresh olives from the orchard.
• The opal necklace sparkled in the sunlight.

Nouns that Starts with O – Download PDF

To make remembering the above nouns easier for you, we have compiled this PDF which will be quite helpful for you. You can save and download this PDF with a list of noun that starts with O. 

Related Reads on Learn English

8 Types of Nouns You Must Know	List of Proper Nouns A-Z
What are Material Nouns?	Noun Phrase: Know Definition and Examples
Nouns Ending with Y	Verbal Noun Examples That You Must Know!

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