noun · 4 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
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/d͡ʒaɪˈɡæntɪzəm/
/d͡ʒəˈɡæntɪzəm/
/ˈd͡ʒaɪɡəntɪzəm/
1
noun
Meaning 1
The quality or state of being gigantic; being of abnormally large size.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A condition where there is over-production of growth hormone by the pituitary gland in a child before the bone growth plates close, resulting in excessive long bone growth, accompanied by muscular weakness and sexual impotence.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
excessive largeness of stature
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: giantism
Antonyms: none provided
Broader terms: largeness, bigness
4
noun
Meaning 4
excessive size; usually caused by excessive secretion of growth hormone from the pituitary gland
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: giantism, overgrowth
Antonyms: none provided
Broader terms: hypertrophy
History
Etymology
From French gigantisme, from Latin gigans (“giant”).
Across languages
Translations
18 source translations are retained for this English entry.
Catalan:
gigantisme
— quality or state of being gigantic
Catalan:
gegantisme
— quality or state of being gigantic
Finnish:
giganttisuus
— quality or state of being gigantic
French:
gigantisme
— quality or state of being gigantic
Galician:
xigantismo
— quality or state of being gigantic
German:
Gigantismus
— quality or state of being gigantic
Italian:
gigantismo
— quality or state of being gigantic
Polish:
gigantyzm
— quality or state of being gigantic
Portuguese:
gigantismo
— quality or state of being gigantic
Romanian:
gigantism
— quality or state of being gigantic
Spanish:
gigantismo
— quality or state of being gigantic