1. a round three-dimensional object; a ball or globe
2. an area of activity, interest, or influence
3. a particular social class or group

1. to form into a sphere; to make round
Usage: literary

Examples

• The Earth is not a perfect sphere.
• A crystal ball is a transparent sphere.
• Politics is not really my sphere of interest.
• She moves in wealthy social spheres.
• The company expanded its sphere of influence overseas.
• The artist sphered the clay into a perfect ball.
• Each planet in our solar system is roughly spherical.