watershed
C1Formal/Technical/Neutral
Definition
Meaning
An event or period marking a turning point in a situation or course of events; a dividing line.
1. An area of land that separates water flowing to different rivers, basins, or seas. 2. In broadcasting, a fixed time after which programs considered unsuitable for children may be broadcast.
Linguistics
Semantic Notes
The term has three distinct but metaphorically linked senses: physical geography (most literal), media/regulatory, and figurative (most common). The figurative use is about irreversible change.
Dialectal Variation
British vs American Usage
Differences
The broadcasting sense ('TV watershed') is a formal regulatory concept in the UK, used more technically. In US media discourse, 'watershed moment' is more common; the broadcasting sense is rarely used as a formal term.
Connotations
In UK, strongly associated with TV scheduling rules (9 pm watershed). In US, more purely figurative/conceptual. The hydrological term is standard in both varieties.
Frequency
Figurative use ('watershed moment') is common in both. The hydrological term is technical in both. The broadcasting sense is UK-specific in common parlance.
Vocabulary
Collocations
Grammar
Valency Patterns
[watershed] + in + [history/development/politics][mark/represent/be] + a + [watershed]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “A watershed moment”
- “Cross the watershed (rare)”
Usage
Context Usage
Business
The merger was a watershed for the industry, reshaping the competitive landscape.
Academic
The publication of Darwin's work represented a watershed in biological thought.
Everyday
Getting that job was a real watershed in my life.
Technical
The project aims to map the hydrological features of the entire watershed.
Examples
By Part of Speech
adjective
British English
- The watershed decision set a new precedent.
American English
- It was a watershed ruling by the Supreme Court.
Examples
By CEFR Level
- The invention of the internet was a watershed in communication.
- The river is polluted, which affects the whole watershed.
- The court's judgement marked a watershed in environmental law, forcing companies to reconsider their practices.
- Conservation efforts must consider the entire watershed, not just the river itself.
- The post-war period constituted a historical watershed, irrevocably altering global political alliances.
- The study analysed sediment samples from across the watershed to model erosion patterns.
Learning
Memory Aids
Mnemonic
Imagine a SHED on a hill where rain splits: half flows east, half west. The shed marks the dividing line—a point of change.
Conceptual Metaphor
CHANGE IS A DIVISION IN A LANDSCAPE / IMPORTANT EVENTS ARE GEOGRAPHICAL FEATURES.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct calque from watershed to 'водораздел' in figurative contexts, as it sounds overly technical. Prefer 'переломный момент'.
- Do not confuse with 'водосбор' (catchment area), which is a different hydrological concept.
Common Mistakes
- Using 'watershed' to mean just 'important event' without the sense of irreversible division/change.
- Misspelling as 'watershead'.
- Using it as a verb (rare and non-standard) in formal writing.
Practice
Quiz
In which context is the term 'watershed' used as a formal regulatory concept?
FAQ
Frequently Asked Questions
While rarely used and considered non-standard by most dictionaries, 'watershed' can be found as a verb in very technical hydrological contexts meaning 'to divide into catchment areas'. In all common figurative and formal uses, it is a noun.
A 'tipping point' is the critical moment when a series of small changes becomes significant enough to cause a larger, more dramatic change. A 'watershed' is the moment or event that serves as an enduring dividing line between two distinct periods or situations. A tipping point leads to a change; a watershed marks the change itself.
Not quite. While 'watershed' alone can mean 'turning point', the phrase 'watershed moment' is a very common collocation that emphasises the temporal aspect of the dividing line. It is considered standard and idiomatic.
In American English, it is typically pronounced /ˈwɔːtərʃed/, with a clear 'r' sound after the 't' and a secondary stress on the first syllable of 'shed'. The British pronunciation /ˈwɔːtəʃed/ often has a less distinct or absent 'r'.