What is another word for really hard?

Need synonyms for really hard? Here's a list of similar words from our thesaurus that you can use instead.

Contexts ▼

Adverb

Diligently, with a lot of effort

With a great deal of force

Adjective

Having a solid or firm surface or texture

Involving a great deal of force

Very strenuous, requiring a great deal of effort

Intellectually hard to comprehend or resolve

Cold-hearted, generally lacking in emotion

Very strenuous, requiring a great deal of effort

… more ▼

Adverb

▲

Diligently, with a lot of effort

more ❯

“I worked really hard to do everything correctly. I tested my sugars obsessively, ate balanced meals, cut out caffeine, and exercised.”

Adverb

▲

With a great deal of force

“Experience had taught me that you do hit back, really hard, so they don't ever hit you again.”

Adjective

▲

Having a solid or firm surface or texture

chiseled^US

chiselled^UK

as tough as old boots

toughened by experience

molded^US

moulded^UK

more ❯

“There is no plastic with a really hard surface. They all get scratched up in use sooner or later.”

Adjective

▲

Involving a great deal of force

agonizing^US

agonising^UK

terrorizing^US

terrorising^UK

knock-down-and-drag-out

more ❯

“A part of me was convinced this whole thing was a hallucination, the product of a really hard knock to the head.”

Adjective

▲

Very strenuous, requiring a great deal of effort

hard

arduous

gruelling^UK

grueling^US

agonizing^US

agonising^UK

easier said than done

labored^US

like getting blood out of a stone

laboured^UK

sombre^UK

somber^US

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“It's a really hard problem to solve, and solving it would require a lot of coordinated and, at times, selfless actions.”

Adjective

▲

Intellectually hard to comprehend or resolve

difficult to understand

impossible to understand

not easily understood

too hard to understand

double Dutch

too difficult to understand

more ❯

“It's a really hard problem to solve, and solving it would require lots of coordinated and at times selfless actions.”

Adjective

▲

Cold-hearted, generally lacking in emotion

“His dad was a really hard man who never showed him any affection.”

Adjective

▲

Very strenuous, requiring a great deal of effort

very difficult

fiendishly difficult

tremendously difficult

grueling^US

gruelling^UK

more ❯

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What is another word for really hard?

Need synonyms for really hard? Here's a list of similar words from our thesaurus that you can use instead.

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