(noun, verb)


1. a particular environment or walk of life

- his social sphere is limited

Similar word(s): area, arena, domain, field, orbit

Definition categories: state, environment

2. any spherically shaped artifact

Definition categories: man–made, artefact, artifact

3. the geographical area in which one nation is very influential

Definition categories: location

4. a particular aspect of life or activity

Similar word(s): sector

Definition categories: thought, aspect, facet

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

Definition categories: shape

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

Definition categories: shape

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

Similar word(s): empyrean, firmament, heavens, welkin

Definition categories: location, surface


1. (transitive) To place in a sphere, or among the spheres; to ensphere.

2. (transitive) To make round or spherical; to perfect.