there must be something in the water

Proposed by a contributor, not yet supported by evidence.

Meaning · English

An unusual number of people in a small area share a characteristic

Nghĩa · Tiếng Việt

Một số người trong một khu vực nhỏ có điểm chung

Machine-translated — suggest a fix

Literally: water in a location having a mysterious effect
Where it’s used: Used Widespread English

Examples

With three pregnant women in the office, there must be something in the water

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.

Common questions

What does “there must be something in the water” mean?

An unusual number of people in a small area share a characteristic Literally: water in a location having a mysterious effect

Is “there must be something in the water” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.