Definition of 'sphere'
- a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"
Synonyms: domain area orbit field arena
- any spherically shaped artifact
- the geographical area in which one nation is very influential
Synonyms: sphere of influence
- a particular aspect of life or activity; "he was helpless in an important sector of his life"
- a solid figure bounded by a spherical surface (including the space it encloses)
- a three-dimensional closed surface such that every point on the surface is equidistant from the center
- the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
Synonyms: celestial sphere empyrean firmament heavens vault of heaven welkin