Synonyms for Consumptive:

adj.

destructive (adjective)
immoderate, wasteful, devastating, harmful.
tubercular (adjective)
tuberculate, tuberculous.

n.

asthmatic, case, depressive, the critical list, diabetic, bed-blocker, anorexic, agoraphobe, amnesiac. health, tuberculate, tuberculous. consumptive (noun)
sick, exploitative, exploitive, lunger, ill, exploitatory.
person (noun)
lunger.

Other synonyms:

anorexic, the critical list, asthmatic, amnesiac, agoraphobe, bed-blocker, diabetic. depressive. case. injurious
harmful.
Other relevant words:
anorexic, agoraphobe, wasteful, tuberculous, health, depressive, bed-blocker, diabetic, case, tuberculate, immoderate, asthmatic, harmful, amnesiac, devastating.

Usage examples for consumptive

  1. Unhappily she was consumptive and after a few months had to be sent back to her aunt. – Far Away and Long Ago by W. H. Hudson
  2. If the collapse of the lung is not so considerable as to destroy life within the first few hours or days after birth, the babe wastes as well as grows weaker and weaker, and this wasting coupled with the difficult breathing not seldom causes the fear that the child has been born consumptive and that its death is inevitable. – The Mother's Manual of Children's Diseases by Charles West, M.D.