Anagrams of: GROIN__

• characterized by jokes and good humor

• a person believed to bring bad luck to those around him

• an evil spell

• cast a spell over someone or something; put a hex on someone or something

• foredoom to failure

• something unspecified whose name is either forgotten or not known

• a device or control that is very useful for a particular job

• a light fitful sleep

• sleep lightly or for a short period of time

• a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent

• of or relating to the null set (a set with no members)

• a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

• a mathematical element that when added to another number yields the same number

• the point on a scale from which positive or negative numerical quantities can be measured

• the sight setting that will cause a projectile to hit the center of the target with no wind blowing

• indicating the absence of any or all units under consideration

• having no measurable or otherwise determinable value

• indicating an initial point or origin

• adjust (an instrument or device) to zero value

• adjust (as by firing under test conditions) the zero of (a gun)

• A Gypsy

• a piece of armor plate (with eye slits) fixed or hinged to a medieval helmet to protect the face

• a brim that projects to the front to shade the eyes