Anagrams of: ERVOUR_

• A form of croquet using short-handled mallets, and played on a hard surface

• 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)

• the state of being emotionally aroused and worked up

• feelings of great warmth and intensity

• cause annoyance in; disturb, especially by minor irritations

• disturb the peace of mind of; afflict with mental agitation or distress

• change the arrangement or position of

• subject to prolonged examination, discussion, or deliberation

• be a mystery or bewildering to

• the sound made by the vibration of vocal folds modified by the resonance of the vocal tract

• someone who serves (or waits to be called to serve) on a jury

• feelings of great warmth and intensity

• the state of being emotionally aroused and worked up

• be undecided about something; waver between conflicting positions or courses of action

• to hang about in a place beyond the proper or usual time

• hang in the air; fly or be suspended above

• be suspended in the air, as if in defiance of gravity

• hang over, as of something threatening, dark, or menacing

• a mixture of fat and flour heated and used as a basis for sauces

• someone who makes a solemn promise to do something or behave in a certain way