stiffened

Past participle of stiffen. There are other translations for this conjugation.

See all conjugations of stiffen

stiffen

Popularity

500+ learners.

Q You stiffened the requirements.

P Usted hizo los requisitos más estrictos.

Other Dictionaries

Explore the meaning of stiffen in our family of products.

What is the definition of “stiffen”?

What are synonyms of “stiffen”?

What does “stiffen” mean?

FrenchDictionary.com

How do you say “stiffen” in French?

Random Word

Roll the dice and learn a new word now!

Want to Learn Spanish?

Spanish learning for everyone. For free.

The world’s largest Spanish dictionary

Conjugations for every Spanish verb

Learn vocabulary faster

Learn every rule and exception

Native-speaker video pronunciations

Word of the Day

Word of the Day

to shovel

SpanishDictionary.com is the world's most popular Spanish-English dictionary, translation, and learning website.

Ver en español en inglés.com

FEATURES

Word of the Day

ABOUT

SOCIAL NETWORKS

APPS

IXL Learning's Dictionary Media Group reaches over 500,000,000 learners each year.

French-English dictionary, translator, and learning

English dictionary and learning for Spanish speakers

English dictionary and learning for French speakers

Comprehensive resource for word definitions and usage

Essential reference for synonyms and antonyms

Comprehensive K-12 personalized learning

Adaptive learning for English vocabulary

Immersive learning for 25 languages

Marketplace for millions of educator-created resources

35,000+ worksheets, games, and lesson plans

Fun educational games for kids

Fast, easy, reliable language certification

Trusted tutors for 300+ subjects

Bite-sized daily word games

Playful tools to learn multiplication

Copyright © 2026 Dictionary Media Group, Inc., a division of IXL Learning • All Rights Reserved.