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

• challenging
• tough
• hard
• rigorous
• demanding
• formidable
• complicated

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

For once, the bulk of the anger was directed not at Fosun — the investment group and majority shareholder – and the Molineux hierarchy who have conspired to deal Pereira a difficult hand, but at the head coach himself and his players. —Steve Madeley, New York Times, 6 Oct. 2025

Romancelandia’s social world, harnessed by its business-minded authors, may make its success exceedingly difficult to replicate. —Rebecca Ackermann, The Atlantic, 5 Oct. 2025

The Dell 14 Premium, especially as configured for our review, is difficult to fit into a particular niche. —Matthew Buzzi, PC Magazine, 5 Oct. 2025

High geopolitical volatility makes predicting the market’s future even more difficult than usual, a Reuters columnist argued. —J.d. Capelouto, semafor.com, 5 Oct. 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