1. a circle of light shown around the head of a saint or holy person in religious art
2. a ring of light or color surrounding something
3. a bright or favorable reputation or quality surrounding a person or thing

Examples

• The painting depicted angels with golden halos above their heads.
• A halo of light surrounded the moon on that clear night.
• The famous athlete had a halo effect that made people admire everything he did.
• The halos around the streetlights were visible through the fog.
• She lost her halo when the scandal became public.
• Halos can form around the sun or moon due to ice crystals in the atmosphere.