noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A high degree of pigmentation; too much pigmentation. uncountable, usually
2. 2
   unusual darkening of the skin wordnet
3. 3
   A high degree of pigmentation; too much pigmentation.; The darkening of an area of skin or nails, caused by increased melanin. uncountable, usually

Synonyms

All synonyms

overpigmentation

Antonyms

All antonyms

;depigmentationhypopigmentationunderpigmentation

Etymology

From hyper- + pigmentation.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.