Meaning of 'sphere'

noun

any spherically shaped artifact

noun

a particular aspect of life or activity

Synonyms: sector

noun

the apparent surface of the imaginary sphere on which celestial bodies appear to be projected

Synonyms: empyrean

noun

the geographical area in which one nation is very influential

Synonyms: sphere of influence

noun

a three-dimensional closed surface such that every point on the surface is equidistant from the center

noun

a solid figure bounded by a spherical surface (including the space it encloses)

noun

a particular environment or walk of life

Example: "Their social sphere is limited."

Synonyms: field