Phrase guide

water adder

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A water mocassin (Agkistrodon piscivorus), a venomous aquatic snake of North America.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: cottonmouth, cottonmouth mocassin

Antonyms: none provided

2

noun

Meaning 2

Any of species Natrix natrix of non-venomous European sbakes.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: ringed snake, water snake, grass snake

Antonyms: none provided

3

noun

Meaning 3

Any aquatic snake, such as:

A northern water snake (Nerodia sipedon), a non-venomous American snake.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: water snake, watersnake

Antonyms: none provided

4

noun

Meaning 4

Any aquatic snake, such as:

A crab-eating water snake or white-bellied mangrove snake (Fordonia leucobalia), a venomous snake of south Asia.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: water snake, watersnake

Antonyms: none provided

5

noun

Meaning 5

Used other than figuratively or idiomatically: see water, adder.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Middle English water addre, watyradyr, watir edyr, alteration (see adder) of water neddyr, watyrnedyre, from Old English wæternædre, wæternǣdre, equivalent to water + adder. Cognate with Dutch wateradder (“wateradder”), German Wassernatter (“watersnake”).