difficile

[dif-i-seel, dee-fee-seel] / ˌdɪf ɪˈsil, di fiˈsil /

ADJECTIVE

difficult

Synonyms

STRONGEST

ambitious arduous burdensome challenging crucial demanding laborious onerous painful problematic severe strenuous tough troublesome

WEAK

backbreaker bothersome easier said than done effortful exacting formidable galling gargantuan hard-won heavy herculean immense intricate irritating labored no picnic not easy operose problem prohibitive rigid stiff titanic toilsome trying unyielding uphill upstream wearisome

Antonyms

STRONGEST

easy effortless facile helpful nice trivial

WEAK

calm free friendly manageable plain simple sociable straightforward uncomplicated

ADJECTIVE

hard

Synonyms

STRONGEST

arduous complicated heavy rough serious terrible tough troublesome

WEAK

backbreaking bothersome burdensome demanding distressing effortful exacting fatiguing formidable grinding hairy herculean intricate involved irksome knotty labored laborious mean merciless murder onerous operose rigorous rugged scabrous severe slavish sticky strenuous tiring toilful toilsome unsparing uphill uphill battle wearing wearisome wearying

Antonyms

STRONGEST

easy facile

WEAK

flexible simple

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These microbes help stop leftover spores from growing into harmful C. difficile bacteria and triggering another infection.

From Science Daily • Mar. 11, 2026

But scientists noticed hints that faecal transplants for C. difficile also seemed to get rid of superbugs.

From BBC • Jun. 7, 2025

Faecal transplants – also known as a trans-poo-tion - are already approved for treating severe diarrhoea caused by Clostridium difficile bacteria.

From BBC • Jun. 7, 2025

The drug, called lolamicin, also warded off secondary infections with Clostridioides difficile, a common and dangerous hospital-associated bacterial infection, and was effective against more than 130 multidrug-resistant bacterial strains in cell culture.

From Science Daily • May 29, 2024

Within months, outbreaks of antibiotic-resistant Pseudomonas aeruginosa, Clostridium difficile, and E. coli are observed in patients around the world.

From "We Are the Ants" by Shaun David Hutchinson

difficile

Example Sentences

Related Words