50 Idioms About Space With Meanings & Sentences
Idioms About Space
1. Over the moon
Meaning: Extremely happy or thrilled.
In a Sentence: She was over the moon when she got accepted into her dream college.
Other Ways to Say: Ecstatic, On cloud nine
2. Shoot for the stars
Meaning: Aim for something very high or ambitious.
In a Sentence: My teacher told me to shoot for the stars with my science project.
Other Ways to Say: Dream big, Aim high
3. Spaced out
Meaning: Daydreaming or not paying attention.
In a Sentence: Sorry, I spaced out during the meeting.
Other Ways to Say: Zoned out, Lost in thought
4. Out of this world
Meaning: Extremely good or amazing.
In a Sentence: The chocolate cake was out of this world.
Other Ways to Say: Incredible, Amazing
5. Lost in space
Meaning: Confused or lacking direction.
In a Sentence: I felt lost in space during the math lecture.
Other Ways to Say: Confused, Disoriented
6. In orbit
Meaning: Very excited or elated.
In a Sentence: She was in orbit after hearing the good news.
Other Ways to Say: Thrilled, Elated
7. Reach for the moon
Meaning: Try to achieve something great or difficult.
In a Sentence: Always reach for the moon, even if it seems impossible.
Other Ways to Say: Strive high, Pursue greatness
8. On another planet
Meaning: Acting or thinking in an unusual or unrealistic way.
In a Sentence: He seems like he’s on another planet today.
Other Ways to Say: Unfocused, Dazed
9. Like a black hole
Meaning: Something that consumes everything or where things disappear.
In a Sentence: My messy closet is like a black hole—I can never find anything!
Other Ways to Say: Bottomless pit, Abyss
10. Starry-eyed
Meaning: Naively idealistic or romantic.
In a Sentence: She’s still starry-eyed about becoming a movie star.
Other Ways to Say: Dreamy, Naive
11. Down to earth
Meaning: Practical and realistic.
In a Sentence: Despite being rich, he’s very down to earth.
Other Ways to Say: Grounded, Sensible
12. Out in the stratosphere
Meaning: Extremely high or excessive (often prices or excitement).
In a Sentence: Rent prices in that area are out in the stratosphere!
Other Ways to Say: Sky-high, Over the top
13. Cosmic joke
Meaning: An ironic or cruel twist of fate.
In a Sentence: Losing my job right before vacation felt like a cosmic joke.
Other Ways to Say: Cruel irony, Twist of fate
14. Star-crossed
Meaning: Doomed or unlucky, especially in love.
In a Sentence: Romeo and Juliet were star-crossed lovers.
Other Ways to Say: Ill-fated, Doomed
15. The sky’s the limit
Meaning: There’s no limit to what one can achieve.
In a Sentence: With your talent, the sky’s the limit!
Other Ways to Say: Endless possibilities, No boundaries
16. Moon over
Meaning: To feel deeply in love or sentimental.
In a Sentence: He spent the evening mooning over old photos.
Other Ways to Say: Pine for, Long for
17. Like Saturn’s rings
Meaning: Beautifully layered or complex.
In a Sentence: Her personality is like Saturn’s rings—stunning and mysterious.
Other Ways to Say: Deep, Complex
18. Blast off
Meaning: To begin suddenly or energetically.
In a Sentence: Our startup is about to blast off next month.
Other Ways to Say: Take off, Launch
19. Light years ahead
Meaning: Far more advanced.
In a Sentence: This new phone is light years ahead of the old one.
Other Ways to Say: Far superior, Way ahead
20. Planet-sized problem
Meaning: A very large or difficult problem.
In a Sentence: We have a planet-sized problem to solve before launch day.
Other Ways to Say: Major issue, Big hurdle
21. Out of orbit
Meaning: Out of control or excessive.
In a Sentence: Their emotions were completely out of orbit after the breakup.
Other Ways to Say: Overwhelming, Unrestrained
22. Lunar logic
Meaning: Strange or confusing reasoning.
In a Sentence: His plan was based on lunar logic—it made no sense.
Other Ways to Say: Illogical, Bizarre thinking
23. Meteoric rise
Meaning: Rapid and sudden success.
In a Sentence: She had a meteoric rise in the music industry.
Other Ways to Say: Quick success, Fast climb
24. In the stars
Meaning: Meant to happen, destined.
In a Sentence: Their meeting felt like it was in the stars.
Other Ways to Say: Fated, Meant to be
25. Cosmic scale
Meaning: Something very large or grand.
In a Sentence: The project was on a cosmic scale.
Other Ways to Say: Massive, Grand
26. Walking on the moon
Meaning: Feeling light and happy.
In a Sentence: After the promotion, I felt like I was walking on the moon.
Other Ways to Say: Joyful, Uplifted
27. Gravity pulls me down
Meaning: Feeling held back or depressed.
In a Sentence: No matter how hard I try, gravity pulls me down.
Other Ways to Say: Discouraged, Weighted down
28. Alien concept
Meaning: Something completely unfamiliar.
In a Sentence: Quantum physics is still an alien concept to me.
Other Ways to Say: Foreign idea, Hard to grasp
29. Big bang idea
Meaning: A groundbreaking or revolutionary idea.
In a Sentence: His business proposal was a big bang idea.
Other Ways to Say: Game-changer, Radical plan
30. Into the void
Meaning: Into an unknown or uncertain situation.
In a Sentence: We jumped into the void when we quit our jobs to travel.
Other Ways to Say: Take the leap, Enter the unknown
31. Space out
Meaning: To lose focus or attention; to daydream.
In a Sentence: I totally spaced out during the lecture and missed the assignment details.
Other Ways to Say: Zone out, Drift off
32. Rocket science
Meaning: Something very complicated or difficult.
In a Sentence: Fixing this faucet isn’t rocket science!
Other Ways to Say: Not hard, Simple task
33. Over the moon
Meaning: Extremely happy or excited.
In a Sentence: She was over the moon when she got accepted into NASA’s program.
Other Ways to Say: Thrilled, Delighted
34. Lost in space
Meaning: Confused or not understanding what’s happening.
In a Sentence: During the meeting, I was completely lost in space.
Other Ways to Say: Clueless, Out of it
35. On another planet
Meaning: Not aware of what’s going on; mentally distant.
In a Sentence: He acts like he’s on another planet during class.
Other Ways to Say: Zoning out, Distracted
36. Reach for the moon
Meaning: Set very high goals.
In a Sentence: Don’t settle — reach for the moon!
Other Ways to Say: Aim high, Be ambitious
37. Light-years ahead
Meaning: Far more advanced or ahead in progress.
In a Sentence: This technology is light-years ahead of what we used in school.
Other Ways to Say: Advanced, Innovative
38. Out in the stratosphere
Meaning: Extremely unrealistic or impractical.
In a Sentence: His business idea is out in the stratosphere.
Other Ways to Say: Unrealistic, Far-fetched
39. Like a black hole
Meaning: Something that consumes all resources or attention.
In a Sentence: This project is like a black hole — it keeps taking more time and energy.
Other Ways to Say: Time-consuming, Draining
40. Blast off
Meaning: To begin something with great energy or speed.
In a Sentence: The campaign blasted off with a viral video.
Other Ways to Say: Launch, Kick off
41. Among the stars
Meaning: In a high or celestial place; symbolic of success.
In a Sentence: After winning the award, she felt like she was among the stars.
Other Ways to Say: Flying high, On top of the world
42. Cosmic joke
Meaning: A strange or ironic twist of fate.
In a Sentence: Losing my keys right after locking the door felt like a cosmic joke.
Other Ways to Say: Ironic twist, Cruel fate
43. Space-age thinking
Meaning: Innovative or futuristic ideas.
In a Sentence: His space-age thinking is what makes him a top engineer.
Other Ways to Say: Futuristic, Advanced thinking
44. Floating in space
Meaning: Feeling lost or unsupported.
In a Sentence: After graduation, I felt like I was floating in space with no direction.
Other Ways to Say: Adrift, Directionless
45. Full of stars
Meaning: Full of hope, dreams, or wonder.
In a Sentence: Her eyes were full of stars when she talked about becoming an astronaut.
Other Ways to Say: Dreamy, Hopeful
46. Across the universe
Meaning: Over a vast distance or in many places.
In a Sentence: Her name echoed across the universe after her discovery.
Other Ways to Say: Far and wide, All over
47. Gravity of the situation
Meaning: The seriousness of a matter.
In a Sentence: He didn’t realize the gravity of the situation until it was too late.
Other Ways to Say: Seriousness, Importance
48. Launch into something
Meaning: To start something with enthusiasm.
In a Sentence: She launched into her studies as soon as the semester began.
Other Ways to Say: Dive in, Get started
49. Space cadet
Meaning: Someone who is absent-minded or eccentric.
In a Sentence: He’s such a space cadet — always forgetting where he puts things.
Other Ways to Say: Scatterbrained, Airhead
50. Planet-sized problem
Meaning: A huge or overwhelming issue.
In a Sentence: Trying to finish this thesis in one night is a planet-sized problem.
Other Ways to Say: Big issue, Massive challenge
