Middle English reptil, from Old French reptile, from Late Latin rēptile, neuter of reptilis (“creeping”), from Latin rēpō (“to creep”), from Proto-Indo-European *rep- (“to creep, slink”) (Pokorny; Watkins, 1969).
reptile (plural reptiles)
- A cold-blooded vertebrate of the class Reptilia.
- (figuratively) A mean or grovelling person.
1749, Henry Fielding, The History of Tom Jones, a Foundling, London: A[ndrew] Millar, OCLC 928184292:
- This work may, indeed, be considered as a great creation of our own; and for a little reptile of a critic to presume to find fault with any of its parts, without knowing the manner in which the whole is connected, and before he comes to the final catastrophe, is a most presumptuous absurdity.
- Charles Dickens, The Pickwick Papers
- "That reptile," whispered Pott, catching Mr. Pickwick by the arm, and pointing towards the stranger. "That reptile — Slurk, of the Independent!"
- See also Wikisaurus:reptile
- mammal-like reptile
- reptiliologists 
reptile (not comparable)
- Creeping; moving on the belly, or by means of small and short legs.
- Grovelling; low; vulgar.
- a reptile race or crew; reptile vices
- There is also a false, reptile prudence, the result not of caution, but of fear.
- And dislodge their reptile souls / From the bodies and forms of men.