Hydra

noun

'haɪdrə

Noun

trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
“we may be facing a hydra that defies any easy solution”
Type of:ProblemTrouble
a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
Similar:Snake
(Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones
small tubular solitary freshwater hydrozoan polyp
Type of:HydrozoanHydroid