If youโre writing a Sci-Fi novel and need some inspiration, this post is for you. Below, weโve shared 10 words to describe an alien planet for your perusal.
1. Peculiar
Definition
Something or somewhere thatโsย unusual, strange, or different.
Examples
โTheย peculiarย alien planet didnโt feel like home, and she desperately wished to return to her cozy bed.โ
โHe acknowledged that the alien planet wasย peculiar, but he was willing to spend more time there learning about the societyโs beliefs.โ
How it Adds Description
Fictional aliens are usually different from humans, and if youย want to emphasizeย the contrast between your alien world and Earth the word โpeculiarโ can help. This adjective highlights that the location is different, and not in a good way since โpeculiarโ often has negative connotations. โPeculiarโ is a strong word for setting scenes and exposing a character’s inner feelings about the setting.
2. Eccentric
Definition
Someone orย somewhereย thatโs strange and has different actions or opinions than most of society.
Examples
โShe explored theย eccentricย alien planet. Nothing made sense to her, but she had a good feeling about the place.โ
โThe aliens started to sing without warning. However, this seemed normal on theirย eccentricย alien planet.โ
How it Adds Description
If you want to show how your alien society is different, but in a positive light, the word โeccentricโ can help. This adjective helps your reader understand that your fictional world doesnโt subscribe to the same social conventions as Earth, yet it works for them. The term can also be used to show a characterโs curiosity about the society, or to pique your readerโs interest and make them want to read on.
3. Exceptional
Definition
Somewhere thatโsย extremelyย good quality and better than others.
Examples
โThey glanced around at theย exceptionalย alien world; this was the most advanced planet theyโd ever seen.โ
โThe aliens thought their world was normal, but she knew theirย exceptionalย alien world was more special than they realized.โ
How it Adds Description
The word โexceptionalโ can be used to convey how positive and amazing your alien world is. Whether itโs technologically advanced or full of natural wonders, โexceptionalโ ensures your reader knows itโs better than the rest. Ideal if youโre trying to create a paradise-like world.
4. Progressive
Definition
Somewhere that has modernย innovationsย or ideas.
Examples
โHeโd never expected a civilized society or aย progressiveย alien world. Acknowledging that his home was low-tech was a tough pill to swallow.โ
โShe enjoyed the diplomacy of theย progressiveย alien world.โ
How it Adds Description
If you want to highlight how forward-thinking or modern your alien world is, โprogressiveโ will help you describe its values to your reader. This is a great adjective for Sci-Fi novels, as you can show your reader that the fictional world is ahead of other civilizations.
5. Unnatural
Definition
Somewhere that contrasts what youโdย normallyย expect.
Examples
โHe didnโt feel safe in theย unnaturalย alien world, everything looked similar but behaved differently.โ
โThey were stuck in theย unnaturalย alien world, whether they liked it or not.โ
How it Adds Description
Creating contrast between the real world and your fictional world is a great method to set the scene for your reader. โUnnaturalโ will show your alien world is at odds with their usual expectations. This adjective allows you to create a world thatโs as weird or as wonderful as you like, however the term is usually reserved for negative descriptions. This can also foreshadow important plot points later on in the novel.
6. Spooky
Definition
Somewhere that feels slightly scary orย frightening.
Examples
โHe didnโt feel comfortable in theย spookyย alien world. Something about the setting turned his stomach.โ
โAs she wandered through theย spookyย alien world, it seemed like someone was following her. Yet every time she turned around no one was there.โ
How it Adds Description
Some alien worldโs might be full of wonder and positivity. However, if youโre creating an alien world and want to send shivers down your readersโ spines, โspookyโ is an appropriate word to use. This adjective hints that the world is frightening your characters and you can use it to build suspense before a major plot point or dramatic moment.
7. Advanced
Definition
Somewhere thatโs extremelyย modernย or more developed than other places.
Examples
โTheย advancedย alien world put his primitive hometown to shame.โ
โShe wanted to stay in theย advancedย alien world, but sheโd need to learn how to function in their innovative society.โ
How it Adds Description
Many great alien stories take place in high-tech worlds, and the word โadvancedโ is one of the best adjectives to show your modern world off. โAdvancedโ conveys that the alien world is home to new technologies and lifestyles, but it can also link to ways of thinking. This will help your reader understand the inner workings of the setting, thus building their overall understanding of the book.
8. Astonishing
Definition
Somewhere thatย surprisesย you.
Examples
โWhen she first visited theย astonishingย alien world sheโd gasped. But now everything felt very normal to her.โ
โThe group stood there with open mouths. Theย astonishingย alien world never fails to impress visitors.โ
How it Adds Description
An alien world might be a new experience for visitors, especially if they come from completely different planets. Therefore, the word โastonishingโ will show your charactersโ reactions to the unique world. This also helps your reader to understand the awe they feel towards the new society, and this can make them want to read on and find out more.
9. Fantastic
Definition
Somewhere veryย goodย or somewhere you like.
Examples
โThis alien world is simplyย fantastic!โ
โTheย fantasticย alien world was the most popular destination in the solar system.โ
How it Adds Description
โFantasticโ is a positive adjective that can be used to describe the positive aspects of your alien world. From the physical qualities to the way the world is set up, โfantasticโ will ensure your reader understands how great the setting is.
10. Untamed
Definition
A place thatโs never beenย changedย and is in its natural state.
Examples
โThe group slowly walked through theย untamedย alien world. They had no clue what to expect.โ
โAs she looked around, she noticed theย untamedย alien world was free from technology and laws she was used to at home.โ
How it Adds Description
Not all alien worlds are technologically advanced! If you want to explain how your alien world is yet to be developed, the world โuntamedโ can help. This adjective implies to your reader that the inhabitants (if any) have left the setting as discovered. โUntamedโ can also evoke curiosity within your reader, as an โuntamedโ world has many possibilities.

