doubly

American  

[duhb-lee] / ˈdʌb li /

adverb

1. to a double measure or degree.

   to be doubly cautious.

2. in a double manner.

3. Obsolete. with duplicity.

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doubly British  

/ ˈdʌblɪ /

adverb

1. to or in a double degree, quantity, or measure

   doubly careful

2. in two ways

   doubly wrong

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Etymology

Origin of doubly

Middle English word dating back to 1350–1400; see origin at double, -ly

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Explanation

The adverb doubly means "twice as" or "double." If your new French class is doubly hard as last year's class, it's two times harder. Sometimes people use doubly for general emphasis, to mean "very" or "especially." Your boss might say, "Today's doubly important because the owner of the company will be observing our work." Or you might feel doubly hungry for breakfast after a morning swim. Doubly comes from the adjective double, with its Latin root of duplus, "twofold or twice as much," from duo, "two."

Example Sentences

See Examples For:

doubly

The challenge is doubly obvious from the Hugging Face incident.

From The Wall Street Journal ● Sep. 15, 2026

And mothers who choose to have careers have to work doubly hard, says Kalki.

From BBC ● Jul. 9, 2026

“Obviously, doubly special because it’s during a World Cup and triple special because it’s here in the U.S. “As a group, with all our different backgrounds, it’s a true representation of what America is.

From Los Angeles Times ● Jul. 4, 2026

All good points, but what’s good for high earners is doubly true for lower earners.

From MarketWatch ● Jun. 26, 2026

Which is why she found it doubly confusing when she knocked on Megan's screen and Carly Brownell came to the door.

From "The Lemonade War" by Jacqueline Davies

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