adj · 5 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
US:/hɜːɹˈkjuːliən/
US:/ˌhɜːɹkjəˈliːən/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -uːliən
CMU ARPABET:HH ER0 K Y UW1 L IY0 AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Of extraordinary might, power, size, etc.; suggesting Hercules in size or strength.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Requiring a huge amount of work; of extraordinary difficulty.
Definition source: English Wiktionary via Wiktextract
Examples
a Herculean labour
2006, Jeremy Clarkson, Top Gear (TV show), commenting on the Bugatti Veyron automobile The guys at Volkswagen have a Herculean task.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adj
Meaning 3
Alternative letter-case form of Herculean.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
adjective satellite
Meaning 4
extremely difficult; requiring the strength of a Hercules
Definition source: Princeton WordNet 3.0
Examples
a herculean task
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
adjective satellite
Meaning 5
displaying superhuman strength or power
Definition source: Princeton WordNet 3.0
Examples
herculean exertions
Meaning relationships
Synonyms: powerful
Antonyms: none provided
History
Etymology
Etymology tree English Hercules Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānus Old French -ainder. Middle English -an English -an English Herculean From Hercules + -an.
Across languages
Translations
26 source translations are retained for this English entry.
Asturian:
herculeu
— of extraordinary might, power, size, etc.
Catalan:
herculi
— of extraordinary might, power, size, etc.
Czech:
herkulovský
— of extraordinary might, power, size, etc.
French:
herculéen
— of extraordinary might, power, size, etc.
Galician:
hercúleo
— of extraordinary might, power, size, etc.
German:
herkulisch
— of extraordinary might, power, size, etc.
Greek:
ηράκλειος
(irákleios)
— of extraordinary might, power, size, etc.
Ancient Greek:
ἡράκλειος
(hērákleios)
— of extraordinary might, power, size, etc.
Hungarian:
herkulesi
— of extraordinary might, power, size, etc.
Italian:
erculeo
— of extraordinary might, power, size, etc.
Portuguese:
hercúleo
— of extraordinary might, power, size, etc.
Russian:
богаты́рский
(bogatýrskij)
— of extraordinary might, power, size, etc.
Russian:
исполи́нский
(ispolínskij)
— of extraordinary might, power, size, etc.
Russian:
геркуле́сов
(gerkulésov)
— of extraordinary might, power, size, etc.
Russian:
гера́клов
(geráklov)
— of extraordinary might, power, size, etc.
Spanish:
hercúleo
— of extraordinary might, power, size, etc.
Spanish:
heracleo
— of extraordinary might, power, size, etc.
Spanish:
herculino
— of extraordinary might, power, size, etc.
Swedish:
herkulisk
— of extraordinary might, power, size, etc.
Catalan:
herculi
— requiring a huge amount of work
Czech:
herkulovský
— requiring a huge amount of work
French:
herculéen
— requiring a huge amount of work
German:
herkulisch
— requiring a huge amount of work
Polish:
benedyktyński
— requiring a huge amount of work
Portuguese:
hercúleo
— requiring a huge amount of work
Swedish:
herkulisk
— requiring a huge amount of work