Adjectives Beginning with O

Adjectives Starting "O"

Here is a list of 130 adjectives that start with the letter O. You can use this list to help you find the exact word you're looking for in terms of its meaning or its length.

Table of Contents

  • Positive Adjectives Beginning with "O"
  • Negative Adjectives Beginning with "O"
  • The Full List (Sortable, Audible, Editable, and Printable)
  • Why Do I Need This List?
  • Learn with Hangman!

Positive Adjectives Beginning with "O"

  • Optimistic: Having a positive and hopeful outlook.
    Example: Mark is an optimistic person who always sees the silver lining in every situation.
  • Open-minded: Willing to consider new ideas and perspectives.
    Example: Sarah is open-minded and enjoys engaging in meaningful conversations with people from diverse backgrounds.
  • Original: Creative and innovative in thought or expression.
    Example: Emily has an original approach to problem-solving, often coming up with unique solutions.
  • Outgoing: Extroverted and socially confident.
    Example: Alex is an outgoing person who enjoys meeting new people and attending social events.
  • Observant: Perceptive and attentive to details.
    Example: Mark is observant and notices even the subtlest changes in his surroundings.
  • Organized: Methodical and well-structured in managing tasks and responsibilities.
    Example: Sarah keeps her workspace organized , allowing her to work efficiently and stay focused.
  • Outstanding: Remarkable, exceptionally good, or impressive.
    Example: Mark received an outstanding achievement award for his exceptional performance.
  • Optimal: The best or most favorable outcome or situation.
    Example: Emily's strategic decisions led to optimal results for the company.

Negative Adjectives Beginning with "O"

  • Obnoxious: Extremely unpleasant or offensive in behavior, attitude, or manner.
    Example: Ashley's obnoxious behavior made it difficult for others to be around him.
  • Overbearing: Excessively domineering or controlling, often imposing one's will on others.
    Example: Janet's overbearing nature stifled the independence and creativity of those around her.
  • Offensive: Causing resentment, anger, or annoyance, often through disrespectful or inappropriate behavior.
    Example: Emily's offensive comments hurt the feelings and dignity of others.
  • Opinionated: Holding strong and rigid opinions, often unwilling to consider alternative viewpoints.
    Example: Jonathan's opinionated nature made it challenging to engage in open-minded discussions.
  • Overcritical: Excessively prone to finding faults or criticizing, often lacking constructive feedback.
    Example: Ashley's overcritical approach demoralized and discouraged those around him.
  • Overconfident: Excessively self-assured or overestimating one's abilities, often leading to arrogance.
    Example: Janet's overconfident attitude made her blind to her own shortcomings.
  • Obstinate: Stubbornly refusing to change one's opinion, course of action, or behavior.
    Example: Emily's obstinate nature made it difficult to find common ground or reach compromises.
  • Off-putting: Causing a feeling of dislike, discomfort, or aversion.
    Example: Jonathan's off-putting behavior made it challenging for others to connect with him.
  • Overemotional: Displaying excessive or exaggerated emotions, often in an irrational or unstable manner.
    Example: Janet's overemotional reactions created a volatile and unpredictable atmosphere.

The Full List (Sortable, Audible, Editable, and Printable)

This list of 130 adjectives is sortable, audible, editable, and printable. It can be displayed as normal text or in columns (up to 4). You can even turn the list into American English or British English.
oafish, obedient, obese, objectionable, objective, obligatory, obliging, oblique, oblivious, oblong, obnoxious, obscene, obscure, observable, observant, obsessive, obsolete, obstinate, obstructive, obtainable, obtrusive, obtuse, obvious, occasional, occupational, occupied, oceanic, odd, odd-looking, odious, odorless/odourless, odorous, offbeat, offensive, offhanded, official, officious, oily, old, older, oldest, old-fashioned, ominous, omniscient, omnivorous, one, one-hour, onerous, one-sided, only, opaque, open, opened, open-handed, open-hearted, opening, open-minded, operable, operatic, operational, operative, opinionated, opportune, opportunistic, opposable, opposed, opposing, opposite, oppressive, optimal, optimistic, optional, opulent, oral, orange, orangish, ordinary, organic, organizational, original, ornamental, ornate, orphaned, orthopedic/orthopaedic, ostentatious, other, otherwise, our, outer, outermost, outgoing, outlandish, outraged, outrageous, outside, outspoken, outstanding, outward, oval, over-sized, overactive, overaggressive, overall, overambitious, over-assertive, overbearing, overcast, overcautious, overconfident, overcooked, overcritical, overcrowded, overemotional, overenthusiastic, overjoyed, overoptimistic, overpowering, overpriced, overprotective, overqualified, overrated, oversensitive, overt, overwhelmed, overwhelming, overworked, overwrought, overzealous, own

Why Do I Need This List?

A list of adjectives that start with the same letter is useful for creating alliteration. (Alliteration is a stylistic technique in which nearby words repeat the same initial consonant sound.)
  • Our Operations Manager is an opportunistic, overrated, overambitious fool.

Learn with Hangman!

Hangman is a classic word game. In this version, the hidden word is always an adjective from this list. Choose your first letter to start. (I'd go for "O" if I were you.)
  • Guess the hidden adjective by choosing one letter at a time.
  • If you guess a letter in the hidden adjective, then all is good.
  • If you guess a letter that is not in the hidden adjective, then the hangman starts to build the gallows.
  • If the gallows are completed, you lose.
  • Good luck!
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Create Your Own Version of This Game

Here is the word library for this game:

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This page was written by Craig Shrives.