has duffed

Present perfect he/she conjugation of duff.

duff

Popularity

500+ learners.

Present:	duffing
Past:	duffed

Indicative of "duff"

	Present	Past	Future
I	duff	duffed	will duff
you	duff	duffed	will duff
he/she	duffs	duffed	will duff
we	duff	duffed	will duff
you	duff	duffed	will duff
they	duff	duffed	will duff

Perfect of "duff"

	Present	Past	Future
I	have duffed	had duffed	will have duffed
you	have duffed	had duffed	will have duffed
he/she	has duffed	had duffed	will have duffed
we	have duffed	had duffed	will have duffed
you	have duffed	had duffed	will have duffed
they	have duffed	had duffed	will have duffed

Imperative of "duff"

	Affirmative	Negative
I	-	-
you	duff	don't duff
he/she	-	-
we	let's duff	let's not duff
you	duff	don't duff
they	-	-

Progressive of "duff"

	Present	Past	Future
I	am duffing	was duffing	will be duffing
you	are duffing	were duffing	will be duffing
he/she	is duffing	was duffing	will be duffing
we	are duffing	were duffing	will be duffing
you	are duffing	were duffing	will be duffing
they	are duffing	were duffing	will be duffing

Perfect Progressive of "duff"

	Present	Past	Future
I	have been duffing	had been duffing	will have been duffing
you	have been duffing	had been duffing	will have been duffing
he/she	has been duffing	had been duffing	will have been duffing
we	have been duffing	had been duffing	will have been duffing
you	have been duffing	had been duffing	will have been duffing
they	have been duffing	had been duffing	will have been duffing

This data is provided by Onoma

Examples

Other Dictionaries

Explore the meaning of duff in our family of products.

What is the definition of “duff”?

What are synonyms of “duff”?

What does “duff” mean?

FrenchDictionary.com

How do you say “duff” 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

kind

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.