Definition of poorer:
(adj) :
With no or few possessions or money, particularly in relation to contemporaries who do have them.
(adj) :
Of low quality.
(adj) :
(attributive only) Worthy of pity.
(adj) :
Inadequate, insufficient.
(n) :
(with the) The poor people of a society or the world collectively, the poor class of a society.
(adj) :
Deficient in a specified way.