pu ‧ trid /ˈpjuːtrəd, ˈpjuːtrɪd/ BrE AmE adjective
[ Date: 1400-1500 ; Language: Latin ; Origin: putridus , from putrere 'to have decayed' , from puter , putris 'decayed' ]
1 . dead animals, plants etc that are putrid are decaying and smell very bad:
the putrid smells from the slaughterhouses
2 . informal very unpleasant:
a putrid green colour