9-Letter Words Starting: SPIR

• freshwater algae consisting of minute filaments containing spiral chlorophyll bands

• spirally twisted elongate rodlike bacteria usually living in stagnant water

• any flagellated aerobic bacteria having a spirally twisted rodlike form

• concern with things of the spirit

• a breathing orifice

• in the shape of a coil

• a plane curve traced by a point circling about the center but at increasing distances from the center

• a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle

• a continuously accelerating change in the economy

• ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center

• a structure consisting of something wound in a continuous series of loops

• flying downward in a helical path with a large radius

• in the shape of a coil

• to wind or move in a spiral course

• form a spiral

• move in a spiral or zigzag course

• the vital principle or animating force within living things

• the general atmosphere of a place or situation and the effect that it has on people

• a fundamental emotional and activating principle determining one's character

• any incorporeal supernatural being that can become visible (or audible) to human beings

• the state of a person's emotions (especially with regard to pleasure or dejection)

• the intended meaning of a communication

• animation and energy in action or expression

• an inclination or tendency of a certain kind

• infuse with spirit

• a kind of religious song originated by Blacks in the southern United States

• concerned with sacred matters or religion or the church

• concerned with or affecting the spirit or soul

• lacking material body or form or substance

• resembling or characteristic of a phantom