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Definition of nonmammalian
nonmammalian
/ˌnɑːn.məˈmeɪ.li.ən/
non · mam · ma · li · an
Plural:nonmammalians
nonmammalian Lexical Profile
CEFR
C1
Grade
11
Tier
3
Usage
Rare
nonmammalian Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Not belonging to the class Mammalia; relating to animals that are not mammals.
Example
"The museum features an extensive collection of nonmammalian fossils, including dinosaurs and giant marine reptiles."
Antonyms
View all antonyms for nonmammalian• noun
1
An animal that does not belong to the class Mammalia, such as a bird, reptile, amphibian, fish, or invertebrate.
Example
"While testing the new veterinary medicine, the researchers also observed its safety profile in birds, reptiles, and other nonmammalians."
Antonyms
View all antonyms for nonmammalian• Rhymes for nonmammalian
• Nearby Words
Word Origin & Etymology
Formed by combining the prefix 'non-' (meaning 'not') with 'mammalian', which derives from the Latin 'mamma' (breast or teat), referring to animals that nurse their young.
Cite this Entry
Wordmom. (2026). Definition of Nonmammalian. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/nonmammalian