reptilian Definition

reptile
noun

1. zool.
Any cold-blooded scaly vertebrate animal, eg lizards, snakes, tortoises, turtles, crocodiles, alligators, and many extinct species, including dinosaurs and pterodactyls.
2. A mean or despicable person.

adj

1. Creeping.
2. Like a reptile.

Derivative: reptilian
adj

Derivative: reptiliferous
adj

Said of rock: bearing fossil reptiles.

Etymology: 14c: from Latin reptilis, from repere to creep or crawl.