Pronunciation: /ˈdʌbəl/
noun a two-fold quantity or amount
A1 I ordered a double cheeseburger for lunch.
A2 She wore a double layer of clothing to stay warm in the winter.
B1 The recipe calls for a double serving of sugar.
B2 The hotel room had a double bed and a sofa bed for extra guests.
C1 The company reported a double increase in profits compared to last year.
C2 The athlete set a new world record by completing a double backflip with a twist.
verb to make or become twice as much
A1 I double checked my homework before turning it in.
A2 She double checked the address before sending the package.
B1 The chef double checks the ingredients before starting to cook.
B2 I always double check my work to ensure accuracy.
C1 The pilot double checked the flight plan before takeoff.
C2 It is important to double check important details before finalizing any decision.
adjective consisting of two equal, identical, or similar parts or things
A1 I bought a double cheeseburger for lunch.
A2 She wore a double-layered sweater to keep warm.
B1 The hotel room had a double bed and a sofa bed for extra guests.
B2 The recipe called for double the amount of sugar, but I only used half.
C1 The company reported double-digit growth in sales for the third quarter.
C2 The scientist conducted a double-blind study to eliminate bias in the results.
adverb to twice the extent or degree
A1 She double checked her homework before turning it in.
A2 He double checked the address to make sure he was going the right way.
B1 The chef double checked the recipe to ensure he had all the ingredients.
B2 Before submitting the report, she double checked all the data for accuracy.
C1 The pilot double checked the flight plan before takeoff to avoid any mistakes.
C2 The scientist double checked the results of the experiment to confirm the findings.
formal The company reported a double increase in profits this quarter.
informal I accidentally ordered a double cheeseburger instead of a single.
slang I can't believe he double-crossed his own friend like that.
figurative She always goes the extra mile, it's like she has a double dose of determination.
doubled
doubles
more double
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will double
have doubled
is doubling
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to double
doubling
doubling