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Definition of mountain adder
mountain adder
Plural:mountain adders
mountain adder Lexical Profile
CEFR
C1
Grade
10
Tier
3
Usage
Rare
• noun
1
South African A small, highly venomous viper (Bitis atropos), commonly known as the Berg adder, native to the mountainous and high-altitude regions of southern Africa.
Example
"Hikers exploring the Drakensberg must watch their step to avoid the mountain adder, which frequently basks on warm, sunlit rocks."
Synonyms
View all synonyms for mountain adderWord Nuance & Usage
This common name primarily refers to the Berg adder (Bitis atropos) of southern Africa, though 'mountain adder' may occasionally be used colloquially in other regions to describe entirely different high-altitude snake species.
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Mountain adder. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/mountain adder