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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.

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

as straight as an arrow

chiseled^US

chiselled^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

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

laboured^UK

like getting blood out of a stone

sombre^UK

somber^US

steep

embittering

bold

enough to try the patience of a saint

enough to drive you up the wall

bedevilling^UK

bedeviling^US

checkered^US

chequered^UK

more ❯

“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

full of twists and turns

impossible to understand

not easily understood

too hard to understand

double Dutch

too difficult to understand

ravelled^UK

raveled^US

laboured^UK

skillful^US

labored^US

skilful^UK

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.

See Also