Home › Words › U › underpigmentationunderpigmentationunderpigmentation means inadequate pigmentation.EtymologyFrom under- + pigmentation.nounInadequate pigmentation.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.underpigmented 93% match — Inadequately pigmented. vs underpigmentation →overpigmentation 75% match — Excessive pigmentation. vs underpigmentation →hypopigmentation 74% match — Abnormally reduced pigmentation. vs underpigmentation →hypopigmented 73% match — Pigmented less than normal; not pigmented enough. vs underpigmentation →overpigmented 71% match — Excessively pigmented. vs underpigmentation →pigmentlessness 69% match — Absence of pigment. vs underpigmentation →dyspigmentation 69% match — An abnormal pigmentation, typically of the skin vs underpigmentation →hypopigmentary 68% match — Relating to hypopigmentation vs underpigmentation →