Adjectives That Begin With O

Discover outstanding, original, and optimistic adjectives starting with the letter O

Outstanding Adjectives Starting With O

The letter O introduces us to a world of outstanding and original adjectives that can enhance our language. From "outstanding" to "optimistic," these words help us express excellence, describe qualities, and add originality to our descriptions.

Popular Adjectives Starting With O

Positive Qualities

Outstanding

Exceptionally good or excellent

Original

New and creative; not copied

Optimistic

Hopeful and confident about the future

Open

Willing to consider new ideas

Personality Traits

Organized

Arranged in a systematic way

Observant

Good at noticing things

Outgoing

Friendly and sociable

Obedient

Willing to follow rules

More Adjectives Starting With O

Characteristics

  • Old
  • Odd
  • Only
  • Other

States

  • Open
  • Over
  • Out
  • Off

Qualities

  • Official
  • Ordinary
  • Obvious
  • Obedient

Interactive Quiz 1: O-Adjective Definitions

Match each O-adjective with its correct meaning:

1. "Outstanding" means:

A) Being very old

B) Exceptionally good or excellent

C) Being very small

Show Answer

Answer: B) Exceptionally good or excellent

2. "Optimistic" means:

A) Being very organized

B) Being very strong

C) Hopeful and confident about the future

Show Answer

Answer: C) Hopeful and confident about the future

Interactive Quiz 2: Complete the Sentences

Fill in the blanks with appropriate O-adjectives:

The _____ student received many awards.

Show Answer

Answer: outstanding (exceptionally good or excellent)

She had an _____ idea for the project.

Show Answer

Answer: original (new and creative; not copied)

The _____ person always saw the bright side.

Show Answer

Answer: optimistic (hopeful and confident about the future)

Interactive Quiz 3: O-Adjective Opposites

Find the opposite of each O-adjective:

1. "Optimistic" is the opposite of _____

Show Answer

Answer: Pessimistic, negative, hopeless

2. "Organized" is the opposite of _____

Show Answer

Answer: Disorganized, messy, chaotic

3. "Open" is the opposite of _____

Show Answer

Answer: Closed, shut, sealed

Grammar Rules for O-Adjectives

1

Position

O-adjectives typically come before the noun they describe: "an outstanding student"

2

Articles

Use "an" before O-adjectives since O is a vowel sound: "an original idea"

3

Comparatives

Many O-adjectives use "more" for comparison: "more outstanding"

Notes:

  • O-adjectives are excellent for describing outstanding and original qualities
  • Many O-adjectives have Latin origins, particularly from words like "optimus" (best) and "originalis" (original)
  • O-adjectives can convey both positive and negative qualities, providing balance
  • Use O-adjectives to add originality and optimism to your descriptions

Quick Reference

Letter:O
Count:20+ common
Difficulty:Beginner

Pro Tip

O-adjectives are perfect for describing outstanding and original qualities!