decomposing
adjective
[ ˌdiːkəmˈpəʊzɪŋ ]
• (of organic matter) in the process of decaying.
• "decomposing fungi"
decompose
verb
• (with reference to a dead body or other organic matter) make or become rotten; decay or cause to decay.
• "the body had begun to decompose"
Similar:
decay,
rot,
putrefy,
go bad,
go off,
spoil,
fester,
perish,
deteriorate,
degrade,
break down,
break up,
moulder,
mortify,
necrotize,
sphacelate,
corrupt,
Origin:
mid 18th century (in the sense ‘separate into simpler constituents’): from French décomposer, from de- (expressing reversal) + composer .