English Reference

Word

reptilian

Phoneticsrep·til·ian

US/ɹɛpˈtɪɫjən/

UK/ɹɛptˈɪliən/

Definition

adj. relating to reptiles, which are cold-blooded animals like snakes, lizards, and turtles. It describes things that look or act like these creatures.

adj. relating to or resembling reptiles, which are cold-blooded vertebrates with scaly skin. Often used to describe physical features, behaviors, or evolutionary traits.

Examples

“The snake has a reptilian appearance with its scaly skin.”

“The ancient creature had a reptilian body plan that allowed it to survive in the harsh desert environment.”

“While the creature's exterior was distinctly reptilian, its internal skeletal structure suggested a more advanced evolutionary lineage than its surface-level features might imply.”

Examples

simple

“The snake has a reptilian appearance with its scaly skin.”

contextual

“The ancient creature had a reptilian body plan that allowed it to survive in the harsh desert environment.”

complex

“While the creature's exterior was distinctly reptilian, its internal skeletal structure suggested a more advanced evolutionary lineage than its surface-level features might imply.”

Real-World Examples

“Orchestra and conductor rediscovered their groove for the scherzo, however, where oily clarinets and croaking bassoons intertwined with reptilian strings.”
The Guardian · 18 Sept 2026
“Although Guns N' Roses has been called the "most dangerous band in the world," its reptilian namesake is not dangerous to people.”
ScienceDaily · 18 Sept 2026

Etymology

From reptile + -ian, replacing earlier reptilious and adjectival reptile.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Zoology

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

englishreference.com/q/reptilian

English Reference