tidemark: meaning, definition, pronunciation and examples
C1Informal (for bath sense), Technical/Geographic (literal sense).
Quick answer
What does “tidemark” mean?
The highest point reached by the tide on a shore.
Audio
Pronunciation
Definition
Meaning and Definition
The highest point reached by the tide on a shore; a visible line left by the tide.
A grimy line or stain left around the inside of a bathtub or sink, typically after use.
Dialectal Variation
British vs American Usage
Differences
The literal 'shoreline' meaning is universal. The 'bathtub ring' sense is predominantly British; American English more commonly uses 'bathtub ring' or 'ring around the tub'.
Connotations
In British informal use, 'tidemark' often carries a mildly humorous or self-deprecating connotation about personal hygiene.
Frequency
Far more frequent in British English due to the common domestic metaphor.
Grammar
How to Use “tidemark” in a Sentence
to leave a tidemark [in/on NP]the tidemark of [NP, e.g., pollution, neglect]Vocabulary
Collocations
Examples
Examples of “tidemark” in a Sentence
verb
British English
- The muddy football kit tidemarked the bath.
- Children seem to tidemark the tub effortlessly.
American English
- (Rare as verb) The sediment tidemarked the riverbank.
Usage
Meaning in Context
Business
Rare, except in metaphorical use for performance thresholds (e.g., 'sales reached a new tidemark').
Academic
Used in geography, geology, and environmental science for literal shoreline features.
Everyday
Primarily used in British English for the bathtub ring.
Technical
Specific term in coastal geomorphology.
Vocabulary
Synonyms of “tidemark”
Vocabulary
Antonyms of “tidemark”
Watch out
Common Mistakes When Using “tidemark”
- Confusing with 'landmark' or 'milestone'. Using 'tideline' as a perfect synonym (it refers more to the current water's edge).
FAQ
Frequently Asked Questions
It is a closed compound, written as one word: 'tidemark'.
Yes, it can metaphorically indicate a visible level or threshold of something, often negative (e.g., 'the tidemark of poverty').
A 'tidemark' is the static line left by the highest tide. A 'tideline' is the dynamic, current edge of the water or the line of debris it leaves.
No, it is very rare and considered informal or non-standard. The noun form is standard.
The highest point reached by the tide on a shore.
Tidemark is usually informal (for bath sense), technical/geographic (literal sense). in register.
Tidemark: in British English it is pronounced /ˈtʌɪdmɑːk/, and in American English it is pronounced /ˈtaɪdmɑːrk/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[figurative] The empty bottles were the tidemark of the party.”
Learning
Memory Aids
Mnemonic
Think of the TIDE that comes in and leaves a MARK on the shore, just like bathwater leaves a MARK on the tub.
Conceptual Metaphor
A LEVEL/THRESHOLD IS A TIDEMARK (e.g., 'the tidemark of Victorian architecture').
Practice
Quiz
In which context is 'tidemark' MOST likely to be used in British everyday conversation?