Excessive growth can refer to an abnormal increase in size, quantity or intensity of something. There are a variety of synonyms for this term that can be used to convey this meaning, including overgrowth, hyperplasia, hypertrophy, superabundance, overproduction, proliferation, and luxuriance. Overgrowth implies unchecked or undesired growth beyond normal limits, while hyperplasia and hypertrophy are used to describe abnormal cell division and tissue enlargement, respectively. Superabundance and overproduction denote an excess beyond what is needed whereas proliferation refers to rapid and uncontrolled growth. Finally, luxuriance depicts lush and abundant growth that may be aesthetically pleasing or excessive in a decorative context.