
Sometimes, people use special phrases to talk about things in an interesting way. These are called idioms. They don’t always mean what the words say. Instead, they have a hidden meaning that you can learn from how people use them.
In this article, we will learn about idioms that talk about darkness. These idioms can describe feelings, situations, or times when there isn’t much light. Some may be about being afraid, while others are about being confused or sad. Once you understand them, you’ll see how people use them in everyday talking and writing.
Idioms for Darkness
1. In the dark
Meaning: Not knowing something important.
Samples: I was in the dark about the surprise party. / We were in the dark until the teacher told us the rules.
To Put it Another Way: Not told what’s going on. / Unaware.
2. A shot in the dark
Meaning: A guess without knowing if it’s right.
Samples: I took a shot in the dark on the quiz question. / Her answer was just a shot in the dark.
To Put it Another Way: A wild guess. / Trying without knowing.
3. Black out
Meaning: To lose memory or become unconscious.
Samples: He blacked out after running too hard. / I blacked out for a moment after falling.
To Put it Another Way: Faint or forget. / Lose awareness.
4. Pitch black
Meaning: Completely dark with no light at all.
Samples: The basement was pitch black at night. / It was pitch black outside during the storm.
To Put it Another Way: Totally dark. / No light anywhere.
5. Keep someone in the dark
Meaning: To not tell someone about something.
Samples: They kept me in the dark about the class trip. / She was kept in the dark about the plan.
To Put it Another Way: Not sharing information. / Leaving someone out.
6. Dark horse
Meaning: Someone who surprises others by doing well.
Samples: He was a dark horse in the spelling bee. / Nobody knew she would win, she was a dark horse.
To Put it Another Way: A surprise winner. / An unexpected success.
7. Darkness falls
Meaning: Night is coming or something sad is beginning.
Samples: As darkness falls, the campfire glows. / Darkness fell and the mood changed.
To Put it Another Way: Night starts. / Things turn gloomy.
8. A shadow of a doubt
Meaning: A tiny bit of doubt or question.
Samples: I knew the answer without a shadow of a doubt. / She believed him without a shadow of a doubt.
To Put it Another Way: Fully sure. / No doubt at all.
9. In the shadows
Meaning: Hidden or not noticed.
Samples: He stayed in the shadows during the play. / She worked hard in the shadows.
To Put it Another Way: Not seen. / Working quietly.
10. Go dark
Meaning: To stop sharing updates or information.
Samples: The website went dark during the storm. / He went dark and stopped texting.
To Put it Another Way: No contact. / Disappear from view.
11. Come out of the dark
Meaning: To finally learn the truth.
Samples: I came out of the dark when Mom explained it. / He came out of the dark after seeing the report.
To Put it Another Way: Finally understand. / Learn what’s true.
12. Light at the end of the tunnel
Meaning: A sign that hard times are almost over.
Samples: After weeks of homework, I saw the light at the end of the tunnel. / There’s a light at the end of the tunnel now that I feel better.
To Put it Another Way: Hope ahead. / Better days coming.
13. Face like thunder
Meaning: Looking very angry or upset.
Samples: She had a face like thunder after losing. / His face looked like thunder when he got bad news.
To Put it Another Way: Very angry look. / Clearly upset.
14. Into the abyss
Meaning: Entering something unknown or scary.
Samples: It felt like stepping into the abyss on the first day of school. / The story took us into the abyss of space.
To Put it Another Way: Into something deep and unknown. / Going where it’s scary.
15. Under a cloud
Meaning: In a sad or worried mood.
Samples: He was under a cloud after the test. / She walked under a cloud all day.
To Put it Another Way: Feeling down. / Not cheerful.
16. Cast a shadow
Meaning: To make something seem less happy or good.
Samples: The bad news cast a shadow over the party. / Her words cast a shadow on the fun.
To Put it Another Way: Ruin the mood. / Make it less bright.
17. A dark time
Meaning: A sad or hard period.
Samples: That was a dark time for her after the move. / It was a dark time when he lost his dog.
To Put it Another Way: A hard moment. / Tough days.
18. In a dark mood
Meaning: Feeling angry or sad.
Samples: He was in a dark mood after school. / She stayed quiet in a dark mood.
To Put it Another Way: Feeling down. / Not happy.
19. Behind closed doors
Meaning: In secret, away from others.
Samples: The plan was made behind closed doors. / They talked behind closed doors.
To Put it Another Way: In private. / Not for everyone to see.
20. A blackout moment
Meaning: A short time of forgetting or not thinking clearly.
Samples: I had a blackout moment during the test. / She forgot her line in a blackout moment.
To Put it Another Way: Quick forget. / Mind goes blank.
21. Cloak of darkness
Meaning: Using darkness to hide something.
Samples: The fox escaped under the cloak of darkness. / The trick was done in a cloak of darkness.
To Put it Another Way: Hiding in the dark. / Covered by night.
22. In a fog
Meaning: Feeling confused.
Samples: I was in a fog after waking up. / She felt in a fog during math class.
To Put it Another Way: Not thinking clearly. / Mentally cloudy.
23. Fall into darkness
Meaning: Things getting worse or sadder.
Samples: The story fell into darkness after the twist. / He fell into darkness after the fight.
To Put it Another Way: Bad times began. / Things went wrong.
24. Walk through the shadows
Meaning: Going through a scary or sad time.
Samples: She walked through the shadows after her pet passed away. / He felt like he was walking through the shadows.
To Put it Another Way: Going through hard times. / Feeling alone or sad.
25. Eyes like night
Meaning: Very dark and deep eyes.
Samples: Her eyes were like night, mysterious and dark. / He had eyes like night that stared into you.
To Put it Another Way: Deep dark eyes. / Mysterious look.
26. Fade into darkness
Meaning: Slowly disappear or get worse.
Samples: The music faded into darkness. / The joy faded into darkness.
To Put it Another Way: Slowly go away. / Become sad or lost.
27. Shadowy figure
Meaning: A person who seems mysterious or scary.
Samples: I saw a shadowy figure outside the window. / A shadowy figure was near the lockers.
To Put it Another Way: A shape you can’t fully see. / A person hiding.
28. As dark as night
Meaning: Very dark.
Samples: The sky was as dark as night. / Her thoughts were as dark as night.
To Put it Another Way: Really dark. / No light at all.
29. Cloud of fear
Meaning: Feeling very scared.
Samples: A cloud of fear came over me during the storm. / The test brought a cloud of fear.
To Put it Another Way: Strong fear. / Feeling very nervous.
30. Drown in darkness
Meaning: To feel lost in sadness or fear.
Samples: He felt like he was drowning in darkness after the news. / She drowned in darkness for days.
To Put it Another Way: Deep sadness. / Overwhelmed by fear or sadness.
Find the Topics: Idioms for Darkness
It was the night of the school Halloween party. The gym was pitch black, with only orange lights glowing around the walls. Jake felt a cloud of fear when he saw a tall, shadowy figure near the snack table.
He walked slowly, unsure of what was going on. He felt like he was in the dark about what the others had planned. Suddenly, music blasted, and kids in costumes jumped out yelling, “Surprise!” Jake laughed and said, “Wow, I really took a shot in the dark by coming alone.”
Later, Emma said she had a blackout moment on stage when she forgot her dance steps. “I felt like I was walking through the shadows,” she said. But by the end of the night, everyone saw the light at the end of the tunnel when the costume winners were announced.
It turned out the shadowy figure was Mr. Paul, the gym teacher, dressed as a mummy.
Your Task:
Can you find and list all the idioms related to darkness in the story above? Underline them or write them down.
Answer Key
- Pitch black
- Cloud of fear
- Shadowy figure
- In the dark
- Shot in the dark
- Blackout moment
- Walking through the shadows
- Light at the end of the tunnel
Conclusion
Idioms help us say things in fun and creative ways. When we talk about darkness, these idioms can show how we feel, even if it’s not really dark. They help us explain fear, mystery, or not knowing something.
By learning idioms for darkness, you can better understand stories, movies, and everyday conversations. These phrases make your speaking and writing more interesting. The next time you hear someone say they’re “in the dark” or see a “shadowy figure” in a book, you’ll know just what they mean.



