Definition of Double
Quick Meaning of Double
To make something two times as much.
Detailed Definition of Double
To increase something to twice its original size, quantity, or amount.
How to Pronounce Double
Stress pattern: Oo (2-syllable word).
Tip: Stress is on the first syllable. The vowel in the first syllable sounds like the 'u' in bus.
Watch out: Sometimes mispronounced with stress on the second syllable; the first syllable should be clearly stressed.
Origin and Etymology of Double
From Old French doble, Latin duplus (two-fold).
How to Use Double in a Sentence
Each example shows “double” with a CEFR level so learners can pick examples that match their fluency.
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“The company decided to double their investment in new technology.”
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“If you double the recipe, you'll have enough for eight people.”
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“The population doubled in just fifty years.”
Synonyms and Antonyms of Double
Common Synonyms for Double
Smart Synonyms for Double — When to Use Each
- multiply
- when the amount increases by a specific factor
- duplicate
- when creating an exact copy or when precisely
Antonyms of Double
Common Collocations with Double
These phrases pair with “double” in everyday English:
- double the amount
- double in size
- double back
- double up on
Common Mistakes When Using Double
Even fluent speakers slip up with “double”. Here’s how to avoid the most common errors:
- ✗ Wrong: The company will double their sales by next year.
- ✓ Correct: The company will double its sales by next year.
- Why: Use 'its' (possessive pronoun for company) instead of 'their' (plural possessive).
- ✗ Wrong: He doubled up the price without telling customers.
- ✓ Correct: He doubled the price without telling customers.
- Why: 'Double up' means pair with another person or object; use 'double' alone for increasing an amount.
Other Forms of Double
Frequently Asked Questions About Double
What is the meaning of "Double"?
To make something two times as much.
How do you pronounce "Double"?
The IPA is /ˈdʌbəl/. Stress is on the first syllable. The vowel in the first syllable sounds like the 'u' in bus.
What part of speech is "Double"?
"Double" is a verb at B1 level (Common European Framework).
What are synonyms for "Double"?
Common synonyms include multiply, increase, duplicate.
How do you use "Double" in a sentence?
For example: "The company decided to double their investment in new technology."