reptilian: meaning, definition, pronunciation and examples
B2formal, technical, figurative
Quick answer
What does “reptilian” mean?
Relating to or characteristic of reptiles.
Audio
Pronunciation
Definition
Meaning and Definition
Relating to or characteristic of reptiles.
Resembling or reminiscent of a reptile, especially in being cold, calculating, or sly. Also used to describe primitive, ancient brain functions.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning. The figurative use is equally common in both varieties.
Connotations
The figurative connotation of cold, unfeeling, or sinister calculation is strong and negative in both dialects.
Frequency
Slightly more common in American media/pop culture to describe villainous or alien characters.
Grammar
How to Use “reptilian” in a Sentence
[Adj] + [noun] (reptilian features)Be + [Adj] (His stare was reptilian.)Of + [Adj] + [nature] (a look of reptilian cunning)Vocabulary
Collocations
Examples
Examples of “reptilian” in a Sentence
verb
British English
- [No standard verb form]
American English
- [No standard verb form]
adverb
British English
- [No standard adverb form]
American English
- [No standard adverb form]
adjective
British English
- The fossil showed clear reptilian characteristics.
- She was unnerved by his reptilian calm during the crisis.
American English
- The zoo's new exhibit focuses on reptilian species.
- His reptilian eyes showed no hint of empathy.
Usage
Meaning in Context
Business
Rare. Potentially used metaphorically: 'The CEO's reptilian approach to layoffs shocked the staff.'
Academic
Common in biology/zoology (literal). In psychology/neuroscience: 'the reptilian complex of the brain'.
Everyday
Mostly figurative, describing people or fictional creatures: 'The villain had a reptilian smile.'
Technical
Primary use: biological classification (Reptilia). Secondary: neuroanatomy (reptilian brain/R-complex).
Vocabulary
Synonyms of “reptilian”
Strong
Neutral
Weak
Vocabulary
Antonyms of “reptilian”
Watch out
Common Mistakes When Using “reptilian”
- Using it as a noun for a person (very rare and extreme insult: 'He is a reptilian.'). It's primarily an adjective.
- Confusing 'reptilian' (adj) with 'reptile' (noun).
FAQ
Frequently Asked Questions
Rarely. As a noun, it specifically means 'a reptile' but is highly technical or poetic. Using it to mean 'a reptilian person' is a very strong, almost sci-fi insult.
A concept in triune brain theory, referring to the primal, instinctual parts of the brain (brainstem) governing survival, aggression, and dominance.
Yes, in its figurative sense it is a strong insult, implying they are cold, unfeeling, sly, and primitive.
'Reptile' is a noun (a class of animal). 'Reptilian' is primarily an adjective describing something as being like or related to a reptile.
Relating to or characteristic of reptiles.
Reptilian is usually formal, technical, figurative in register.
Reptilian: in British English it is pronounced /repˈtɪl.i.ən/, and in American English it is pronounced /repˈtɪl.i.ən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None directly. Figurative use functions as a standalone metaphor.]”
Learning
Memory Aids
Mnemonic
Think of a REPTILE + the suffix '-IAN' (like 'civilian'). A reptilian is literally 'of the reptile kind'.
Conceptual Metaphor
PEOPLE ARE REPTILES (for cold, unfeeling, sly, or primitive behaviour).
Practice
Quiz
In which context is 'reptilian' used in a NEUTRAL, technical sense?