Adjectives -ed or -ing

I was bored during the lecture.
The lecture was so boring.

In English, many adjectives come from verbs. These adjectives often end in:

  • -ed
  • -ing

They look similar but they have different meanings!

๐Ÿ”น What’s the difference?

  • Adjectives ending in -ed describe how someone feels.
    ๐Ÿ‘‰ They tell us about a person's emotion or reaction.
  • Adjectives ending in -ing describe the thing or situation that causes the feeling.
    ๐Ÿ‘‰ They tell us about the cause of the emotion.

๐Ÿ”น Examples

verb adjective -ed adjective -ing
bore bored (feeling) boring (cause)
interest interested (feeling) interesting (cause)
surprise surprised (feeling) surprising (cause)
confuse confused (feeling) confusing (cause)
tire tired (feeling) tiring (cause)
excite excited (feeling) exciting (cause)
frighten frightened (feeling) frightening (cause)

๐Ÿ”น Example sentences

โœณ๏ธ -ed adjectives (feelings):

  • I was bored during the lecture.
  • She is interested in history.
  • They felt tired after the long journey.
  • He looked confused by the instructions.
  • We were surprised by the ending of the film.

โœณ๏ธ -ing adjectives (cause of the feeling):

  • The lecture was boring.
  • That book is very interesting.
  • The journey was tiring.
  • The instructions were confusing.
  • The film had a surprising ending.

๐Ÿ”น A good way to remember:

-ed = how you feel
-ing = what causes the feeling

โœ… I am bored because the film is boring.
โœ… She is excited because the news is exciting.

Adjective endings -ed / -ing Mini Quiz

Test your understanding with this quick quiz!

1. The movie is so __________.

bored
boring
a) bored b) boring

2. I'm really __________ after our walk.

tired
tiring
a) tired b) tiring

3. That was an __________ story.

amused
amusing
a) amused b) amusing

4. The horses were __________ by the noise.

frightened
frightening
a) frightened b) frightening

Your score is:

Correct answers:

Josef Essberger, founder EnglishClub.com Contributor: Josef Essberger, founder of EnglishClub.com. Originally from London, England, Josef is the author of several books for learners of English including English Prepositions List and Learn English in 7.
07/2025