decade
HighNeutral, used in all registers from formal to informal
Definition
Meaning
A period of ten years
Any group or series of ten things; in music, an interval of ten diatonic degrees; loosely, a notable period of about ten years
Linguistics
Semantic Notes
Usually refers to calendar decades (e.g., the 1990s) or personal/developmental periods. Can be used metaphorically for significant ten-year periods. Plural form 'decades' indicates multiple ten-year periods or an unspecified long time.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning. British English sometimes uses 'decade' more cautiously with ordinal numbers ('the second decade of the 20th century' vs. US 'the 1910s'). US English more commonly uses 'the decade' to refer to the current ten-year period.
Connotations
Both varieties use 'decade' with similar cultural connotations (e.g., 'the Swinging Sixties' in UK, 'the Roaring Twenties' in US).
Frequency
Equally frequent in both varieties with identical core usage patterns.
Vocabulary
Collocations
Grammar
Valency Patterns
IN + decade (in the 1980s)OF + decade (the first decade of the century)DURING + decade (during that decade)THROUGHOUT + decade (throughout the decade)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “decade of discontent”
- “turn of the decade”
- “decade on decade”
Usage
Context Usage
Business
Used in market analysis, forecasting, and corporate strategy (e.g., 'Our projections for the coming decade show steady growth.')
Academic
Common in historical, sociological and demographic studies (e.g., 'The research examines demographic shifts across three decades.')
Everyday
Used to discuss personal milestones, cultural trends, and recent history (e.g., 'We've lived in this house for over a decade.')
Technical
In computing, 'decade' refers to a factor of ten; in electronics, a ten-fold range of frequencies
Examples
By Part of Speech
adjective
British English
- The decade-long project finally concluded.
- She has decade-spanning experience in the field.
American English
- The decade-long study yielded important results.
- This is a decade-defining moment for our company.
Examples
By CEFR Level
- I was born two decades ago.
- A decade has ten years.
- My parents married three decades back.
- The company doubled its profits over the past decade.
- She spent a decade working abroad before returning home.
- Technological advances in the last decade have been remarkable.
- The research traces urban development patterns across four decades.
- Despite a decade of negotiations, the treaty remains unsigned.
- His work encapsulates the cultural anxieties of the fin de siècle decade.
- The policy's effects will reverberate throughout the coming decade, necessitating adaptive governance structures.
- Post-war reconstruction spanned nearly two decades, fundamentally reshaping the nation's infrastructure and social fabric.
- Her oeuvre, developed over five decades, represents a sustained interrogation of modernist aesthetics.
Learning
Memory Aids
Mnemonic
DECade = DECimal (base 10) years
Conceptual Metaphor
TIME IS A CONTAINER ('in a decade'), TIME IS A JOURNEY ('through the decade'), TIME IS A RESOURCE ('lost decade')
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid confusing with 'декада' (10-day period in Russian) - English 'decade' is always 10 years
- Don't translate 'for decades' as 'на декады' - use 'десятилетиями'
- Remember plural 'decades' means multiple ten-year periods, not just 'много лет'
Common Mistakes
- Pronouncing as /dɪˈkeɪd/ instead of /ˈdɛkeɪd/
- Using with 'of' incorrectly ('decade of 1990' instead of 'decade of the 1990s')
- Confusing 'in the decade' vs 'over the decade' (period within vs span across)
Practice
Quiz
Which phrase correctly indicates a period of approximately thirty years?
FAQ
Frequently Asked Questions
It can refer to any ten-year period, not just calendar decades (e.g., 'the first decade of their marriage,' 'a decade of research').
This is redundant. Say either 'in the 80s' or 'in the 1980s decade.' Better: 'during the 1980s' or 'in that decade.'
/ˈdɛkeɪdz/ - same as singular but with /z/ sound at the end. Stress remains on first syllable: DEC-ades.
They mean the same, but 'decennium' is very formal/literary and rarely used in everyday speech. 'Decade' is standard in all contexts.