▸ noun a person who is unduly anxious about their health.
▪ a person suffering from poor health.
▸ adjective showing undue concern about one's health:
the valetudinarian English.
▪ suffering from poor health.
– ORIGIN early 18th century : from Latin valetudinarius ‘in ill health’ (from valetudo ‘health’, from valere ‘be well’) + -an.