Dictionary
5 ENTRIES FOUND:

1refractory

adjective re·frac·to·ry \ri-ˈfrak-t(ə-)rē\

medical : difficult to treat or cure

: difficult to control or deal with

Full Definition of REFRACTORY

1
:  resisting control or authority :  stubborn, unmanageable
2
a :  resistant to treatment or cure <a refractory lesion>
b :  unresponsive to stimulus
c :  immune, insusceptible <after recovery they were refractory to infection>
3
:  difficult to fuse, corrode, or draw out; especially :  capable of enduring high temperature
re·frac·to·ri·ly \-t(ə-)rə-lē; ˌrē-ˌfrak-ˈtr-ə-lē, ri-\ adverb
re·frac·to·ri·ness \ri-ˈfrak-t(ə-)rē-nəs\ noun

Examples of REFRACTORY

  1. <refractory players will be ejected from the game>
  2. <believing that rules are only for other people, he's been refractory virtually his entire life>

Origin of REFRACTORY

alteration of refractary, from Latin refractarius, irregular from refragari to oppose, from re- + -fragari (as in suffragari to support with one's vote)
First Known Use: 1606

2refractory

noun
plural refractories

Definition of REFRACTORY

:  a refractory person or thing; especially :  a heat-resisting ceramic material

First Known Use of REFRACTORY

1627

refractory

adjective re·frac·to·ry \ri-ˈfrak-t(ə-)rē\   (Medical Dictionary)

Medical Definition of REFRACTORY

1
:  resistant to treatment or cure <a refractory fulminant lesion> <had disease that was extremely refractory to multiple intensive therapies—Michelle L. Bennett et al>
2
:  unresponsive to stimulus <the refractory period of a muscle fiber>
3
:  resistant or not responding to an infectious agent :  immune <refractory to reinfection>

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