difficult

adjective

dif·​fi·​cult ˈdi-fi-(ˌ)kəlt 

1

: hard to do, make, or carry out : arduous

a difficult climb

2

a

: hard to deal with, manage, or overcome

a difficult child

having a difficult time coping with her death

b

: hard to understand : puzzling

difficult reading

found calculus too difficult

difficultly adverb

Synonyms

• arduous
• Augean
• backbreaking
• challenging
• demanding
• effortful
• exacting
• formidable
• grueling
• gruelling
• hard
• heavy
• hellacious
• herculean
• killer
• laborious
• moiling
• murderous
• pick-and-shovel
• rigorous
• rough
• rugged
• severe
• stiff
• strenuous
• sweaty
• tall
• testing
• toilsome
• tough
• uphill

Choose the Right Synonym for difficult

hard, difficult, arduous mean demanding great exertion or effort.

hard implies the opposite of all that is easy.

farming is hard work

difficult implies the presence of obstacles to be surmounted or puzzles to be resolved and suggests the need of skill or courage.

the difficult ascent of the mountain

arduous stresses the need of laborious and persevering exertion.

the arduous task of rebuilding

Examples of difficult in a Sentence

We were asked lots of difficult questions.

I had to make a very difficult decision.

We'll be hiking over difficult terrain.

It's more difficult than it sounds.

I found myself in a difficult position.

Some difficult days lie ahead of us.

These changes will make life difficult for everyone involved.

Recent Examples on the Web

Rust, a difficult movie to release, grossed $25k at 115 theaters, presented by Falling Forward Films. —Jill Goldsmith, Deadline, 4 May 2025

Surace 39-37 Round 3 - These are difficult to score. —Brian Mazique, Forbes.com, 3 May 2025

The goal demonstrated why: his running power from midfield is difficult to contend with. —James McNicholas, New York Times, 3 May 2025

An emergency fund can feel unattainable if finances are already difficult, but having even a small amount of cash saved can make the difference, Alev said. —Adriana Morga, Los Angeles Times, 3 May 2025

Word History

Etymology

Middle English, probably back-formation from difficulte difficulty

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

difficult

adjective

dif·​fi·​cult ˈdif-i-(ˌ)kəlt 

1

: hard to do, make, or carry out

a difficult climb

2

a

: hard to deal with, manage, or overcome

a difficult child

b

: hard to understand : puzzling

difficult reading

difficultly adverb