have been quadrupling
Present perfect progressiveconjugation ofquadruple.There are other translations for this conjugation.
See all conjugations of quadruple

quadruple

ADJECTIVE
(fourfold)-cuádruple
Synonyms for quadruple
four
cuatro
Other Dictionaries
Explore the meaning of quadruple in our family of products.
Dictionary.com
Dictionary.com
What is the definition of “quadruple”?
Thesaurus.com
Thesaurus.com
What are synonyms of “quadruple”?
Vocabulary.com
Vocabulary.com
What does “quadruple” mean?
FrenchDictionary.com
FrenchDictionary.com
How do you say “quadruple” in French?
Random Word
Roll the dice and learn a new word now!
Get a Word
Want to Learn Spanish?
Spanish learning for everyone. For free.
Translation
The world’s largest Spanish dictionary
Conjugation
Conjugations for every Spanish verb
Vocabulary
Learn vocabulary faster
Grammar
Learn every rule and exception
Pronunciation
Native-speaker video pronunciations
Word of the Day
la cereza
cherry
Word of the Day
cherry
la cereza
SpanishDictionary.com is the world's most popular Spanish-English dictionary, translation, and learning website.
FEATURES
Translation
Conjugation
Vocabulary
Learn Spanish
Grammar
Word of the Day
ABOUT
About Us
Privacy
Terms
Site Map
Help
Contact Us
SOCIAL NETWORKS
Facebook
X
X
Instagram
APPS
Apple
iOS
Android
Android
IXL learning logo

Making educational experiences better for everyone.

English dictionary and learning for Spanish speakers

French-English dictionary, translator, and learning

Immersive learning for 25 languages

Comprehensive resource for word definitions and usage

Essential reference for synonyms and antonyms

Adaptive learning for English vocabulary

Fast, easy, reliable language certification

Fun educational games for kids

Trusted tutors for 300+ subjects

Comprehensive K-12 personalized learning

Marketplace for millions of educator-created resources

35,000+ worksheets, games, and lesson plans

Copyright © 2025 Curiosity Media, Inc., a division of IXL Learning • All Rights Reserved.