1. abnormal growth resulting in excessive size
Usage: medical
2. the quality or state of being gigantic

Examples

• The patient was diagnosed with gigantism caused by a pituitary tumor.
• Gigantism in plants can result from genetic mutations.
• The gigantism of the ancient redwoods amazed the visitors.
• Modern architecture often displays a kind of gigantism.
• The condition of gigantism affects growth hormone production.
• Island gigantism occurs when animals grow larger in isolation.