Definition of plights:
(n) :
A dire or unfortunate situation.
(n) :
(now chiefly dialectal) Responsibility for ensuing consequences; risk; danger; peril.
(n) :
(now chiefly dialectal) An instance of danger or peril; a dangerous moment or situation.
(v) :
(transitive) Specifically, to pledge (one's troth etc.) as part of a marriage ceremony.
(v) :
(reflexive) To promise (oneself) to someone, or to do something.
(n) :
(archaic) That which is exposed to risk; that which is plighted or pledged; security; a gage; a pledge.