eight
A1Neutral
Definition
Meaning
The cardinal number equivalent to the sum of seven and one; the digit/figure 8.
A group or set of eight people or things; the eighth in a series; used to denote a specific time or age.
Linguistics
Semantic Notes
The concept of eight is foundational and has strong cultural and symbolic associations (e.g., infinity, prosperity in some cultures). It's a common grouping unit (octave, octagon).
Dialectal Variation
British vs American Usage
Differences
No major lexical differences. Minor differences in pronunciation and the possible formatting of dates (e.g., 8/10/24 meaning 8 October in UK vs October 8 in US).
Connotations
Largely identical connotations. In both cultures, 'behind the eight ball' (in a difficult position) is used, originating from pool.
Frequency
Extremely high and identical frequency in both dialects.
Vocabulary
Collocations
Grammar
Valency Patterns
NUM + N (eight books)at + eight (at eight sharp)aged + eight (aged eight)N + of + eight (a total of eight)Vocabulary
Synonyms
Neutral
Weak
Phrases
Idioms & Phrases
- “behind the eight ball”
- “have one over the eight (BrE, informal: be drunk)”
- “on cloud eight (variation of 'on cloud nine')”
Usage
Context Usage
Business
Used in metrics, reporting, and scheduling (e.g., 'Q3 results showed an eight percent increase', 'meeting at eight').
Academic
Used in mathematics, statistics, music theory (octave), and sciences.
Everyday
Extremely common for telling time, stating age, quantities, and dates.
Technical
In computing (8-bit), geometry (octagon), music (octave), and sports (rowing 'eight').
Examples
By Part of Speech
adjective
British English
- She has eight grandchildren.
- The recipe requires eight eggs.
American English
- He scored eight points.
- We waited eight long hours.
Examples
By CEFR Level
- I get up at eight o'clock.
- She has eight apples.
- My brother is eight.
- The committee is made up of eight members.
- The journey takes roughly eight hours by train.
- We haven't met for eight years.
- The architect designed an eight-sided pavilion.
- Despite being eight points behind, the team fought back to win.
- The report spans eight chapters.
- The octet's performance was rooted in the classical eight-part harmony.
- The treaty was ratified by all eight signatory states.
- He managed to condense the complex argument into eight succinct principles.
Learning
Memory Aids
Mnemonic
Imagine the numeral 8 turned on its side; it becomes the infinity symbol (∞), which can help remember it's more than 7.
Conceptual Metaphor
QUANTITY IS VERTICALITY / MORE IS UP ('The number rose to eight'); COMPLETENESS / BALANCE (e.g., an eight-member team).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Confusing 'eight' with 'ate' (past tense of eat) due to identical pronunciation.
- Direct translation of 'восемь человек' as 'eight people' is correct, but note the lack of plural '-s' on 'человек'.
Common Mistakes
- Misspelling as 'eigth' (incorrect vowel order).
- Using 'eight' with a singular noun (e.g., 'eight year' instead of 'eight years').
Practice
Quiz
What is a common idiom using 'eight'?
FAQ
Frequently Asked Questions
Primarily a cardinal number. It can function as a noun ('She drew an eight') and is part of compound adjectives ('eight-legged'). It is not a verb.
It rhymes with 'late', 'gate', and 'weight'. The spelling 'eigh' almost always produces the /eɪ/ sound (as in eight, weigh, neighbour).
'Eight' is the cardinal number (8). 'Eighth' is the ordinal number (8th), describing position in a sequence.
Yes, when used as a compound adjective before a noun, it is usually hyphenated (e.g., 'eight-year-old child', 'eight-page document').
Collections
Part of a collection
Numbers and Time
A1 · 50 words · Numbers, dates, days and expressions of time.