Most Common English Adjectives That Start With "O"


Most Common English Adjectives That Start With



Most Common English Adjectives That Start With "O" | English A1 Level (Beginner / Elementary)

10 Word


Old


Definition: Having lived for a long time; not new.

  • My grandmother is very old.
  • This book is old but full of wisdom.
  • He has an old toy from his childhood.

Old in a sentence


Open


Definition: To allow access to something; to make available.

  • Please open the window to let in fresh air.
  • He will open the door for his guests.
  • They decided to open a new restaurant downtown.

Open in a sentence


Orange


Definition: A round, citrus fruit with a tough skin; also a color.

  • I like to eat a juicy orange for a snack.
  • The orange is bright and sweet.
  • She wore an orange dress to the party.

Orange in a sentence


Odd


Definition: strange or unusual; also refers to numbers not divisible by two

  • That was an odd thing to say in class.
  • She wore an odd pair of socks for fun.
  • He has an odd collection of rare coins.

Odd in a sentence


Oily


Definition: covered with oil; greasy

  • His hands were oily after working on the car.
  • The food was too oily for her taste.
  • Understanding oily textures can improve cooking skills.

Oily in a sentence


Online


Definition: Connected to or via the internet.

  • I like to shop online.
  • He took an online course to learn programming.
  • They met each other online through a game.

Online in a sentence


Outgoing


Definition: Friendly and sociable; willing to communicate.

  • She is very outgoing and makes friends easily.
  • His outgoing personality helps him in sales.
  • The outgoing students organized a welcome event.

Outgoing in a sentence


Official


Definition: authorized or recognized by an authority

  • The document was stamped with an official seal.
  • He was the official spokesperson for the organization.
  • Understanding what is official can help avoid confusion.

Official in a sentence


Ordinary


Definition: common or usual; not special or different

  • It was an ordinary day with nothing unusual happening.
  • He prefers ordinary clothes over flashy ones.
  • The book tells the story of an ordinary family.

Ordinary in a sentence


Overall


Definition: In general; when considering everything; a summary or conclusion.

  • Overall, the project was a success despite some challenges.
  • She received positive feedback overall from her presentation.
  • The overall experience was enjoyable for everyone.

Overall in a sentence



Most Common English Adjectives That Start With "O" | English A2 Level (Pre-Intermediate)

4 Word


Obvious


Definition: Easily perceived or understood; clear and apparent.

  • The answer to the question was obvious to everyone.
  • It was obvious that she was excited about the surprise.
  • His obvious talent impressed the judges.

Obvious in a sentence


Optimistic


Definition: Having a hopeful and positive outlook on the future.

  • He is optimistic about his chances of getting into college.
  • Her optimistic attitude helped motivate the team.
  • Understanding optimistic perspectives can improve mental health.

Optimistic in a sentence


Offensive


Definition: causing someone to feel hurt, upset, or annoyed

  • His comments were deemed offensive by many.
  • She found the joke to be offensive and inappropriate.
  • Using offensive language can lead to misunderstandings.

Offensive in a sentence


Occasional


Definition: Happening from time to time; not regular or frequent.

  • They have occasional meetings to discuss progress.
  • She enjoys occasional treats, like ice cream.
  • The occasional rain shower can be refreshing.

Occasional in a sentence



Most Common English Adjectives That Start With "O" | English B1 Level (Intermediate)

2 Word


Original


Definition: the first or earliest version of something

  • The painting is an original, not a copy.
  • She submitted an original story for the competition.
  • Understanding what is original can enhance creativity.

Original in a sentence


Outstanding


Definition: Exceptionally good or excellent; prominent.

  • He received an award for his outstanding achievements.
  • Her outstanding performance impressed the judges.
  • There were many outstanding projects submitted for review.

Outstanding in a sentence



Most Common English Adjectives That Start With "O" | English B2 Level (Upper Intermediate)

3 Word


Ongoing


Definition: Continuing or still in progress; not finished.

  • The project is ongoing and will take several months.
  • He has an ongoing interest in science.
  • The ongoing discussions are important for decision-making.

Ongoing in a sentence


Optional


Definition: Not mandatory; something that can be chosen or not chosen.

  • The extra credit assignment is optional for students.
  • Participation in the club is optional, but encouraged.
  • She decided to take the optional course for fun.

Optional in a sentence


Obscure


Definition: Not well-known or difficult to understand; hidden.

  • The meaning of the poem was obscure to many students.
  • He enjoys reading obscure books that others overlook.
  • They discussed an obscure topic during the lecture.

Obscure in a sentence



Most Common English Adjectives That Start With "O" | English C1 Level (Advanced)

11 Word


Obsolete


Definition: No longer produced or used; outdated.

  • Many technologies have become obsolete in recent years.
  • The typewriter is considered obsolete.
  • They replaced obsolete equipment with modern tools.

Obsolete in a sentence


Obstinate


Definition: Stubbornly refusing to change one’s opinion or chosen course.

  • He was obstinate about his decision despite advice.
  • Her obstinate attitude made discussions difficult.
  • Being obstinate can sometimes hinder progress.

Obstinate in a sentence


Ornate


Definition: Highly decorative and intricate in style.

  • The ornate design of the building impressed everyone.
  • She wore an ornate necklace for the special occasion.
  • The invitations had an ornate border that made them look elegant.

Ornate in a sentence


Overwhelming


Definition: Too much to deal with; very intense or powerful.

  • The support from her friends was overwhelming.
  • He faced overwhelming challenges during the project.
  • The response to the event was overwhelmingly positive.

Overwhelming in a sentence


Opaque


Definition: Not able to be seen through; not transparent.

  • The curtains are opaque, blocking out all sunlight.
  • He used an opaque container to store the food.
  • Opaque materials are useful for privacy.

Opaque in a sentence


Ominous


Definition: Suggesting that something bad is going to happen; threatening.

  • The sky looked ominous before the storm hit.
  • His tone was ominous, making everyone worry.
  • She felt an ominous chill in the air as night approached.

Ominous in a sentence


Objective


Definition: Something aimed at or sought; a goal.

  • Her main objective is to improve her grades.
  • The team's objective is to win the championship.
  • He set a clear objective for the project.

Objective in a sentence


Organic


Definition: Produced without the use of synthetic chemicals or fertilizers.

  • She prefers to eat organic fruits and vegetables.
  • Organic farming helps maintain soil health.
  • Understanding organic products can lead to healthier choices.

Organic in a sentence



Most Common English Adjectives That Start With "O" | English C2 Level (Proficiency / Mastery)

5 Word


Opulent


Definition: Rich, luxurious, and lavish in appearance or lifestyle.

  • The hotel suite was opulent, with gold accents and fine art.
  • She wore an opulent dress to the gala.
  • The opulent lifestyle of the celebrities fascinated her.

Opulent in a sentence


Ostentatious


Definition: Designed to impress or attract notice; flashy or showy.

  • Her ostentatious outfit drew everyone's attention.
  • He lived in an ostentatious mansion in the city.
  • Ostentatious displays of wealth can be off-putting.

Ostentatious in a sentence


Obsessive


Definition: Relating to or characterized by an obsession; often overly focused.

  • His obsessive nature made it hard to relax.
  • She had obsessive thoughts about her performance.
  • Obsessive behavior can lead to anxiety.

Obsessive in a sentence



The word usage examples above have been gathered from various sources to reflect current and historical usage of the word . They do not represent the opinions of TranslateEN.com.

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