Term: hydra: trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
Broader: trouble: a source of difficulty | Unrelated: lancet arch: an acutely pointed Gothic arch, like a lance
Broader: trouble: a source of difficulty | Unrelated: paternalism: the attitude (of a person or a government) that subordinates should be controlled in a fatherly way for their own good
Broader: trouble: a source of difficulty | Unrelated: determiner: one of a limited class of noun modifiers that determine the referents of noun phrases
Broader: trouble: a source of difficulty | Unrelated: leg curl: an exercise designed to strengthen the flexor muscles of the leg
Broader: trouble: a source of difficulty | Unrelated: mooring anchor: an anchor used to hold a mooring buoy or a channel marker in place
Broader: trouble: a source of difficulty | Unrelated: pertainym: meaning relating to or pertaining to
Broader: trouble: a source of difficulty | Unrelated: reaction-propulsion engine: a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream
Broader: trouble: a source of difficulty | Unrelated: diapensia: any boreal low-growing evergreen plant of the genus Diapensia
Broader: trouble: a source of difficulty | Unrelated: sop: piece of solid food for dipping in a liquid
Broader: trouble: a source of difficulty | Unrelated: welfare state: a government that undertakes responsibility for the welfare of its citizens through programs in public health and public housing and pensions and unemployment compensation etc.