Updated on November 20, 2025

-ed/-ing adjectives – Adjectives from verbs

Adjectives ending in -ed and -ing often look almost identical, but they express very different meanings. These forms come from verbs, and they help us describe how people feel and what causes those feelings. Understanding this distinction will help you avoid mistakes such as: I’m interesting / I’m interested.

Table of Contents

Exercises

Explanation

1. What Are -ed and -ing Adjectives?

Both types originate from verbs, but they function differently in a sentence.

-ed adjectives → describe a person’s feelings or emotional reaction

  • I’m interested in astronomy.

  • He felt surprised by the announcement.

-ing adjectives → describe the thing, activity, or situation that creates the feeling

  • The lecture was interesting.

  • The announcement was surprising.

2. The Core Difference

Think of the difference like this:

Ending

What It Describes

Question Answered

Example

-ed

a person’s emotion

How do you feel?

I’m worried.

-ing

the cause of the feeling

What is it like?

The exam was worrying.

3. How to Use -ed and -ing Adjectives

A. Use -ed to describe temporary feelings

These adjectives express how someone feels at a particular moment.

  • She is confused about the instructions.

  • We were delighted with the results.

  • I’m frustrated because my laptop isn’t working.

B. Use -ing to describe the cause of the feeling

These adjectives explain what creates an emotional reaction.

  • The instructions are confusing.

  • The results were delightful.

  • The broken laptop is frustrating.

C. Many verbs create both forms

Here are more useful pairs:

Verb

-ed Adjective

-ing Adjective

fascinate

fascinated

fascinating

disappoint

disappointed

disappointing

terrify

terrified

terrifying

bore

bored

boring

inspire

inspired

inspiring

4. Common Mistakes to Avoid

Mistake 1: Using -ing to describe your own feelings

Incorrect: I’m worrying about the trip.
Correct: I’m worried about the trip.

Mistake 2: Using -ed to describe things

Incorrect: The presentation was tired.
Correct: The presentation was tiring.

Mistake 3: Choosing the wrong emotion

Incorrect: I felt exciting during the event.
Correct: I felt excited during the event.

5. Using -ed and -ing Adjectives in Real-Life Communication

Talking about your feelings

  • I’m exhausted after the long day.

  • She was embarrassed when she forgot his name.

Describing the cause of the feeling

  • The long day was exhausting.

  • The situation was embarrassing.

Using both forms together

  • I was amused by his amusing story.

  • They were shocked by the shocking news report.

6. Quick Memory Tips

-ed = emotions

Use it for how a person feels.

  • I’m confused.

  • She’s excited.

  • They’re disappointed.

-ing = the cause of the feeling

Use it for things, events, activities, or situations.

  • The book is confusing.

  • The trip was exciting.

  • The match was disappointing.

Objects cannot feel

So they never take -ed.

Incorrect: The film is bored.
Correct: The film is boring.

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