There are not many English adjectives that start with X, making them quite rare and unique. However, the ones that begin with X often have an air of mystery or intrigue. This blog post will uncover some of the most fascinating adjectives, starting with the uncommon first letter X.
Positive Adjectives Commencing with X
- X-rated: Sexually explicit or pornographic material.
- Xylotomous: Capable of cutting or slicing wood.
- Xanthic: Having a yellow color or pigmentation.
- Xanthous: Having a yellowish or brownish-yellow color.
- Xenodochial: Being friendly or welcoming to strangers and guests.
- Xeric: Characterizes dry or arid environments.
- Xenial: Being friendly or welcoming, especially to strangers and guests.
- Xyloid: Resembling wood, woody in quality or texture.
- Xiphoid: Shaped like a sword or straight weapon.
- Xanthochroid: Having fair complexion or blond hair.
Science Adjectives Commencing with X
- Xyloid: Resembling wood, woody in quality or texture.
- Xanthic: Having a yellow color or pigmentation.
- Xanthous: Having a yellowish or brownish-yellow color.
- Xeric: Characterizes dry or arid environments.
- Xenoplastic: Capable of forming tissue of a foreign type.
- Xenogenetic: Originating outside the body or from foreign materials.
- Xanthochroid: Having fair complexion or blond hair.
- Xiphoid: Shaped like a sword or straight weapon.
Discover captivating, creative, and charming Adjectives that Start with W
Full List of Adjectives Starting with X
Adjectives | Synonyms |
Xenial | Hospitable, Friendly |
Xenophobic | Racist, Prejudiced |
Xeric | Dry, Arid |
Xyloid | Wooden, Woody |
Xanthic | Yellow, Golden |
Xanthous | Yellowish, Blond |
Xerothermic | Dry, Arid |
Xylotomous | Wood-cutting, Lumbering |
Xerographic | Photocopying, Photostatic |
Xiphoid | Sword-like, Pointed |
Final Thoughts
Even though adjectives that start with X are not very common, as we’ve seen, there are still over 100 exciting options. The mystique and intrigue of this rare first letter can make your writing stand out when an X adjective is precisely what you need. Please browse this complete list and start organically working some of these words into your writing.
Read Next: 100+ Adjectives That Start with V to Level Up Your Language Skills

Amanda – Mom of 2 girls. Portland writer & founder of MommyMandy.com. Sharing parenting tips, family fun & solidarity on the motherhood journey.